Home / 5,177,539.64-7,767,430.52-1,982,665.95

Finding the Fourth Proportional to 5,177,539.64, 7,767,430.52 and 1,982,665.95

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Solution

The fourth proportional to 5,177,539.64, 7,767,430.52 and 1,982,665.95 is: 2,974,428.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177,539.64 : 7,767,430.52 = 1,982,665.95 : x
  2. Step 2: Convert to fraction form
    5,177,539.64/7,767,430.52 = 1,982,665.95/x
  3. Step 3: Cross multiply
    5,177,539.64x = 7,767,430.52 × 1,982,665.95
  4. Step 4: Simplify right side
    5,177,539.64x = 15,400,220,001,081.46
  5. Step 5: Solve for x
    x = 15,400,220,001,081.46/5,177,539.64
  6. Step 6: Final answer
    x = 2,974,428.22

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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.