Home / 3,931,499.46-5,427,143.10-2,643,087

Finding the Fourth Proportional to 3,931,499.46, 5,427,143.10 and 2,643,087

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Solution

The fourth proportional to 3,931,499.46, 5,427,143.10 and 2,643,087 is: 3,648,585.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931,499.46 : 5,427,143.10 = 2,643,087 : x
  2. Step 2: Convert to fraction form
    3,931,499.46/5,427,143.10 = 2,643,087/x
  3. Step 3: Cross multiply
    3,931,499.46x = 5,427,143.10 × 2,643,087
  4. Step 4: Simplify right side
    3,931,499.46x = 14,344,411,374,749.70
  5. Step 5: Solve for x
    x = 14,344,411,374,749.70/3,931,499.46
  6. Step 6: Final answer
    x = 3,648,585.36

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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.