Home / 2,187,123.40-3,280,685.10-1,832,829.40

Finding the Fourth Proportional to 2,187,123.40, 3,280,685.10 and 1,832,829.40

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Solution

The fourth proportional to 2,187,123.40, 3,280,685.10 and 1,832,829.40 is: 2,749,244.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,123.40 : 3,280,685.10 = 1,832,829.40 : x
  2. Step 2: Convert to fraction form
    2,187,123.40/3,280,685.10 = 1,832,829.40/x
  3. Step 3: Cross multiply
    2,187,123.40x = 3,280,685.10 × 1,832,829.40
  4. Step 4: Simplify right side
    2,187,123.40x = 6,012,936,103,421.94
  5. Step 5: Solve for x
    x = 6,012,936,103,421.94/2,187,123.40
  6. Step 6: Final answer
    x = 2,749,244.10

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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.