Home / 3,130,359.40-4,695,539.10-1,928,384.20

Finding the Fourth Proportional to 3,130,359.40, 4,695,539.10 and 1,928,384.20

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Solution

The fourth proportional to 3,130,359.40, 4,695,539.10 and 1,928,384.20 is: 2,892,576.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130,359.40 : 4,695,539.10 = 1,928,384.20 : x
  2. Step 2: Convert to fraction form
    3,130,359.40/4,695,539.10 = 1,928,384.20/x
  3. Step 3: Cross multiply
    3,130,359.40x = 4,695,539.10 × 1,928,384.20
  4. Step 4: Simplify right side
    3,130,359.40x = 9,054,803,410,922.22
  5. Step 5: Solve for x
    x = 9,054,803,410,922.22/3,130,359.40
  6. Step 6: Final answer
    x = 2,892,576.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.