Home / 5,639,116.47-7,781,988.60-3,060,797.78

Finding the Fourth Proportional to 5,639,116.47, 7,781,988.60 and 3,060,797.78

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Solution

The fourth proportional to 5,639,116.47, 7,781,988.60 and 3,060,797.78 is: 4,223,905.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,639,116.47 : 7,781,988.60 = 3,060,797.78 : x
  2. Step 2: Convert to fraction form
    5,639,116.47/7,781,988.60 = 3,060,797.78/x
  3. Step 3: Cross multiply
    5,639,116.47x = 7,781,988.60 × 3,060,797.78
  4. Step 4: Simplify right side
    5,639,116.47x = 23,819,093,391,955.36
  5. Step 5: Solve for x
    x = 23,819,093,391,955.36/5,639,116.47
  6. Step 6: Final answer
    x = 4,223,905.20

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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.