Home / 5,378,332.38-7,421,910.17-2,930,893.49

Finding the Fourth Proportional to 5,378,332.38, 7,421,910.17 and 2,930,893.49

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Solution

The fourth proportional to 5,378,332.38, 7,421,910.17 and 2,930,893.49 is: 4,044,530.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,378,332.38 : 7,421,910.17 = 2,930,893.49 : x
  2. Step 2: Convert to fraction form
    5,378,332.38/7,421,910.17 = 2,930,893.49/x
  3. Step 3: Cross multiply
    5,378,332.38x = 7,421,910.17 × 2,930,893.49
  4. Step 4: Simplify right side
    5,378,332.38x = 21,752,828,148,853.77
  5. Step 5: Solve for x
    x = 21,752,828,148,853.77/5,378,332.38
  6. Step 6: Final answer
    x = 4,044,530.28

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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.