Home / 4,942,279.20-7,405,545.60-3,666,820.80

Finding the Fourth Proportional to 4,942,279.20, 7,405,545.60 and 3,666,820.80

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Solution

The fourth proportional to 4,942,279.20, 7,405,545.60 and 3,666,820.80 is: 5,494,389.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,942,279.20 : 7,405,545.60 = 3,666,820.80 : x
  2. Step 2: Convert to fraction form
    4,942,279.20/7,405,545.60 = 3,666,820.80/x
  3. Step 3: Cross multiply
    4,942,279.20x = 7,405,545.60 × 3,666,820.80
  4. Step 4: Simplify right side
    4,942,279.20x = 27,154,808,641,428.48
  5. Step 5: Solve for x
    x = 27,154,808,641,428.48/4,942,279.20
  6. Step 6: Final answer
    x = 5,494,389.84

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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.