Home / 5,639,124.22-7,781,999.31-3,060,805.54

Finding the Fourth Proportional to 5,639,124.22, 7,781,999.31 and 3,060,805.54

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Solution

The fourth proportional to 5,639,124.22, 7,781,999.31 and 3,060,805.54 is: 4,223,915.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,639,124.22 : 7,781,999.31 = 3,060,805.54 : x
  2. Step 2: Convert to fraction form
    5,639,124.22/7,781,999.31 = 3,060,805.54/x
  3. Step 3: Cross multiply
    5,639,124.22x = 7,781,999.31 × 3,060,805.54
  4. Step 4: Simplify right side
    5,639,124.22x = 23,819,186,600,324.18
  5. Step 5: Solve for x
    x = 23,819,186,600,324.18/5,639,124.22
  6. Step 6: Final answer
    x = 4,223,915.93

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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.