Home / 5,177,539.88-7,767,430.89-1,982,666.20

Finding the Fourth Proportional to 5,177,539.88, 7,767,430.89 and 1,982,666.20

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Solution

The fourth proportional to 5,177,539.88, 7,767,430.89 and 1,982,666.20 is: 2,974,428.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177,539.88 : 7,767,430.89 = 1,982,666.20 : x
  2. Step 2: Convert to fraction form
    5,177,539.88/7,767,430.89 = 1,982,666.20/x
  3. Step 3: Cross multiply
    5,177,539.88x = 7,767,430.89 × 1,982,666.20
  4. Step 4: Simplify right side
    5,177,539.88x = 15,400,222,647,601.76
  5. Step 5: Solve for x
    x = 15,400,222,647,601.76/5,177,539.88
  6. Step 6: Final answer
    x = 2,974,428.59

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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.