Home / 4,679,805.38-7,018,820.30-2,281,237.70

Finding the Fourth Proportional to 4,679,805.38, 7,018,820.30 and 2,281,237.70

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Solution

The fourth proportional to 4,679,805.38, 7,018,820.30 and 2,281,237.70 is: 3,421,423.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,679,805.38 : 7,018,820.30 = 2,281,237.70 : x
  2. Step 2: Convert to fraction form
    4,679,805.38/7,018,820.30 = 2,281,237.70/x
  3. Step 3: Cross multiply
    4,679,805.38x = 7,018,820.30 × 2,281,237.70
  4. Step 4: Simplify right side
    4,679,805.38x = 16,011,597,448,494.30
  5. Step 5: Solve for x
    x = 16,011,597,448,494.30/4,679,805.38
  6. Step 6: Final answer
    x = 3,421,423.79

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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.