Home / 3,931,494.30-5,427,136.08-2,643,082.02

Finding the Fourth Proportional to 3,931,494.30, 5,427,136.08 and 2,643,082.02

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Solution

The fourth proportional to 3,931,494.30, 5,427,136.08 and 2,643,082.02 is: 3,648,578.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931,494.30 : 5,427,136.08 = 2,643,082.02 : x
  2. Step 2: Convert to fraction form
    3,931,494.30/5,427,136.08 = 2,643,082.02/x
  3. Step 3: Cross multiply
    3,931,494.30x = 5,427,136.08 × 2,643,082.02
  4. Step 4: Simplify right side
    3,931,494.30x = 14,344,365,793,141.28
  5. Step 5: Solve for x
    x = 14,344,365,793,141.28/3,931,494.30
  6. Step 6: Final answer
    x = 3,648,578.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.