Home / 3,931,493.55-5,427,135.05-2,643,081.27

Finding the Fourth Proportional to 3,931,493.55, 5,427,135.05 and 2,643,081.27

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Solution

The fourth proportional to 3,931,493.55, 5,427,135.05 and 2,643,081.27 is: 3,648,577.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931,493.55 : 5,427,135.05 = 2,643,081.27 : x
  2. Step 2: Convert to fraction form
    3,931,493.55/5,427,135.05 = 2,643,081.27/x
  3. Step 3: Cross multiply
    3,931,493.55x = 5,427,135.05 × 2,643,081.27
  4. Step 4: Simplify right side
    3,931,493.55x = 14,344,358,987,200.11
  5. Step 5: Solve for x
    x = 14,344,358,987,200.11/3,931,493.55
  6. Step 6: Final answer
    x = 3,648,577.52

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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.