Home / 4,989,584.79-7,485,300.36-1,578,729.96

Finding the Fourth Proportional to 4,989,584.79, 7,485,300.36 and 1,578,729.96

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Solution

The fourth proportional to 4,989,584.79, 7,485,300.36 and 1,578,729.96 is: 2,368,387.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989,584.79 : 7,485,300.36 = 1,578,729.96 : x
  2. Step 2: Convert to fraction form
    4,989,584.79/7,485,300.36 = 1,578,729.96/x
  3. Step 3: Cross multiply
    4,989,584.79x = 7,485,300.36 × 1,578,729.96
  4. Step 4: Simplify right side
    4,989,584.79x = 11,817,267,937,930.79
  5. Step 5: Solve for x
    x = 11,817,267,937,930.79/4,989,584.79
  6. Step 6: Final answer
    x = 2,368,387.04

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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.