Home / 5,378,333.55-7,421,836.05-2,930,937.02

Finding the Fourth Proportional to 5,378,333.55, 7,421,836.05 and 2,930,937.02

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Solution

The fourth proportional to 5,378,333.55, 7,421,836.05 and 2,930,937.02 is: 4,044,549.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,378,333.55 : 7,421,836.05 = 2,930,937.02 : x
  2. Step 2: Convert to fraction form
    5,378,333.55/7,421,836.05 = 2,930,937.02/x
  3. Step 3: Cross multiply
    5,378,333.55x = 7,421,836.05 × 2,930,937.02
  4. Step 4: Simplify right side
    5,378,333.55x = 21,752,933,998,206.39
  5. Step 5: Solve for x
    x = 21,752,933,998,206.39/5,378,333.55
  6. Step 6: Final answer
    x = 4,044,549.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.