Home / 2,125,577.50-3,188,354.34-528,139.90

Finding the Fourth Proportional to 2,125,577.50, 3,188,354.34 and 528,139.90

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Solution

The fourth proportional to 2,125,577.50, 3,188,354.34 and 528,139.90 is: 792,206.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125,577.50 : 3,188,354.34 = 528,139.90 : x
  2. Step 2: Convert to fraction form
    2,125,577.50/3,188,354.34 = 528,139.90/x
  3. Step 3: Cross multiply
    2,125,577.50x = 3,188,354.34 × 528,139.90
  4. Step 4: Simplify right side
    2,125,577.50x = 1,683,897,142,292.17
  5. Step 5: Solve for x
    x = 1,683,897,142,292.17/2,125,577.50
  6. Step 6: Final answer
    x = 792,206.89

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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.