Home / 2,006,646.60-3,009,969.90-1,210,384.20

Finding the Fourth Proportional to 2,006,646.60, 3,009,969.90 and 1,210,384.20

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Solution

The fourth proportional to 2,006,646.60, 3,009,969.90 and 1,210,384.20 is: 1,815,576.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,006,646.60 : 3,009,969.90 = 1,210,384.20 : x
  2. Step 2: Convert to fraction form
    2,006,646.60/3,009,969.90 = 1,210,384.20/x
  3. Step 3: Cross multiply
    2,006,646.60x = 3,009,969.90 × 1,210,384.20
  4. Step 4: Simplify right side
    2,006,646.60x = 3,643,220,009,435.58
  5. Step 5: Solve for x
    x = 3,643,220,009,435.58/2,006,646.60
  6. Step 6: Final answer
    x = 1,815,576.30

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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.