Home / 2,989,576.80-4,484,365.20-2,788,810.20

Finding the Fourth Proportional to 2,989,576.80, 4,484,365.20 and 2,788,810.20

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Solution

The fourth proportional to 2,989,576.80, 4,484,365.20 and 2,788,810.20 is: 4,183,215.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,576.80 : 4,484,365.20 = 2,788,810.20 : x
  2. Step 2: Convert to fraction form
    2,989,576.80/4,484,365.20 = 2,788,810.20/x
  3. Step 3: Cross multiply
    2,989,576.80x = 4,484,365.20 × 2,788,810.20
  4. Step 4: Simplify right side
    2,989,576.80x = 12,506,043,410,285.04
  5. Step 5: Solve for x
    x = 12,506,043,410,285.04/2,989,576.80
  6. Step 6: Final answer
    x = 4,183,215.30

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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.