Home / 3,931,478.17-5,427,113.82-2,643,066.06

Finding the Fourth Proportional to 3,931,478.17, 5,427,113.82 and 2,643,066.06

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Solution

The fourth proportional to 3,931,478.17, 5,427,113.82 and 2,643,066.06 is: 3,648,556.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931,478.17 : 5,427,113.82 = 2,643,066.06 : x
  2. Step 2: Convert to fraction form
    3,931,478.17/5,427,113.82 = 2,643,066.06/x
  3. Step 3: Cross multiply
    3,931,478.17x = 5,427,113.82 × 2,643,066.06
  4. Step 4: Simplify right side
    3,931,478.17x = 14,344,220,341,398.95
  5. Step 5: Solve for x
    x = 14,344,220,341,398.95/3,931,478.17
  6. Step 6: Final answer
    x = 3,648,556.53

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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.