Home / 3,931,494.80-5,427,136.78-2,643,082.52

Finding the Fourth Proportional to 3,931,494.80, 5,427,136.78 and 2,643,082.52

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Solution

The fourth proportional to 3,931,494.80, 5,427,136.78 and 2,643,082.52 is: 3,648,579.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931,494.80 : 5,427,136.78 = 2,643,082.52 : x
  2. Step 2: Convert to fraction form
    3,931,494.80/5,427,136.78 = 2,643,082.52/x
  3. Step 3: Cross multiply
    3,931,494.80x = 5,427,136.78 × 2,643,082.52
  4. Step 4: Simplify right side
    3,931,494.80x = 14,344,370,356,867.09
  5. Step 5: Solve for x
    x = 14,344,370,356,867.09/3,931,494.80
  6. Step 6: Final answer
    x = 3,648,579.25

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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.