Home / 5,112,420.60-7,668,630.90-2,587,747.80

Finding the Fourth Proportional to 5,112,420.60, 7,668,630.90 and 2,587,747.80

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Solution

The fourth proportional to 5,112,420.60, 7,668,630.90 and 2,587,747.80 is: 3,881,621.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112,420.60 : 7,668,630.90 = 2,587,747.80 : x
  2. Step 2: Convert to fraction form
    5,112,420.60/7,668,630.90 = 2,587,747.80/x
  3. Step 3: Cross multiply
    5,112,420.60x = 7,668,630.90 × 2,587,747.80
  4. Step 4: Simplify right side
    5,112,420.60x = 19,844,482,740,487.02
  5. Step 5: Solve for x
    x = 19,844,482,740,487.02/5,112,420.60
  6. Step 6: Final answer
    x = 3,881,621.70

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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.