Home / 4,759,665.60-7,129,000.80-2,863,099.20

Finding the Fourth Proportional to 4,759,665.60, 7,129,000.80 and 2,863,099.20

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Solution

The fourth proportional to 4,759,665.60, 7,129,000.80 and 2,863,099.20 is: 4,288,334.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,759,665.60 : 7,129,000.80 = 2,863,099.20 : x
  2. Step 2: Convert to fraction form
    4,759,665.60/7,129,000.80 = 2,863,099.20/x
  3. Step 3: Cross multiply
    4,759,665.60x = 7,129,000.80 × 2,863,099.20
  4. Step 4: Simplify right side
    4,759,665.60x = 20,411,036,487,279.36
  5. Step 5: Solve for x
    x = 20,411,036,487,279.36/4,759,665.60
  6. Step 6: Final answer
    x = 4,288,334.14

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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.