Home / 4,947,186.60-7,420,779.90-3,158,001.90

Finding the Fourth Proportional to 4,947,186.60, 7,420,779.90 and 3,158,001.90

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Solution

The fourth proportional to 4,947,186.60, 7,420,779.90 and 3,158,001.90 is: 4,737,002.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,947,186.60 : 7,420,779.90 = 3,158,001.90 : x
  2. Step 2: Convert to fraction form
    4,947,186.60/7,420,779.90 = 3,158,001.90/x
  3. Step 3: Cross multiply
    4,947,186.60x = 7,420,779.90 × 3,158,001.90
  4. Step 4: Simplify right side
    4,947,186.60x = 23,434,837,023,681.81
  5. Step 5: Solve for x
    x = 23,434,837,023,681.81/4,947,186.60
  6. Step 6: Final answer
    x = 4,737,002.85

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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.