Home / 4,920,279.40-7,380,419.10-3,020,861.80

Finding the Fourth Proportional to 4,920,279.40, 7,380,419.10 and 3,020,861.80

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Solution

The fourth proportional to 4,920,279.40, 7,380,419.10 and 3,020,861.80 is: 4,531,292.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,279.40 : 7,380,419.10 = 3,020,861.80 : x
  2. Step 2: Convert to fraction form
    4,920,279.40/7,380,419.10 = 3,020,861.80/x
  3. Step 3: Cross multiply
    4,920,279.40x = 7,380,419.10 × 3,020,861.80
  4. Step 4: Simplify right side
    4,920,279.40x = 22,295,226,127,180.38
  5. Step 5: Solve for x
    x = 22,295,226,127,180.38/4,920,279.40
  6. Step 6: Final answer
    x = 4,531,292.70

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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.