Home / 5,377,789.14-7,421,253.39-2,930,417.34

Finding the Fourth Proportional to 5,377,789.14, 7,421,253.39 and 2,930,417.34

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Solution

The fourth proportional to 5,377,789.14, 7,421,253.39 and 2,930,417.34 is: 4,043,923.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,377,789.14 : 7,421,253.39 = 2,930,417.34 : x
  2. Step 2: Convert to fraction form
    5,377,789.14/7,421,253.39 = 2,930,417.34/x
  3. Step 3: Cross multiply
    5,377,789.14x = 7,421,253.39 × 2,930,417.34
  4. Step 4: Simplify right side
    5,377,789.14x = 21,747,369,618,589.78
  5. Step 5: Solve for x
    x = 21,747,369,618,589.78/5,377,789.14
  6. Step 6: Final answer
    x = 4,043,923.82

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1.5x scale

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.