Home / 3,119,332.60-4,678,998.90-2,930,375.80

Finding the Fourth Proportional to 3,119,332.60, 4,678,998.90 and 2,930,375.80

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Solution

The fourth proportional to 3,119,332.60, 4,678,998.90 and 2,930,375.80 is: 4,395,563.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,332.60 : 4,678,998.90 = 2,930,375.80 : x
  2. Step 2: Convert to fraction form
    3,119,332.60/4,678,998.90 = 2,930,375.80/x
  3. Step 3: Cross multiply
    3,119,332.60x = 4,678,998.90 × 2,930,375.80
  4. Step 4: Simplify right side
    3,119,332.60x = 13,711,225,144,786.62
  5. Step 5: Solve for x
    x = 13,711,225,144,786.62/3,119,332.60
  6. Step 6: Final answer
    x = 4,395,563.70

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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.