Home / 4,001,132.31-6,001,965.50-1,407,125.76

Finding the Fourth Proportional to 4,001,132.31, 6,001,965.50 and 1,407,125.76

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Solution

The fourth proportional to 4,001,132.31, 6,001,965.50 and 1,407,125.76 is: 2,110,782.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,001,132.31 : 6,001,965.50 = 1,407,125.76 : x
  2. Step 2: Convert to fraction form
    4,001,132.31/6,001,965.50 = 1,407,125.76/x
  3. Step 3: Cross multiply
    4,001,132.31x = 6,001,965.50 × 1,407,125.76
  4. Step 4: Simplify right side
    4,001,132.31x = 8,445,520,265,681.28
  5. Step 5: Solve for x
    x = 8,445,520,265,681.28/4,001,132.31
  6. Step 6: Final answer
    x = 2,110,782.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.