Home / 4,914,019.60-7,371,029.40-3,479,128.90

Finding the Fourth Proportional to 4,914,019.60, 7,371,029.40 and 3,479,128.90

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Solution

The fourth proportional to 4,914,019.60, 7,371,029.40 and 3,479,128.90 is: 5,218,693.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,914,019.60 : 7,371,029.40 = 3,479,128.90 : x
  2. Step 2: Convert to fraction form
    4,914,019.60/7,371,029.40 = 3,479,128.90/x
  3. Step 3: Cross multiply
    4,914,019.60x = 7,371,029.40 × 3,479,128.90
  4. Step 4: Simplify right side
    4,914,019.60x = 25,644,761,408,289.66
  5. Step 5: Solve for x
    x = 25,644,761,408,289.66/4,914,019.60
  6. Step 6: Final answer
    x = 5,218,693.35

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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.