Home / 5,377,390.13-7,420,704.92-2,930,021.30

Finding the Fourth Proportional to 5,377,390.13, 7,420,704.92 and 2,930,021.30

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Solution

The fourth proportional to 5,377,390.13, 7,420,704.92 and 2,930,021.30 is: 4,043,378.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,377,390.13 : 7,420,704.92 = 2,930,021.30 : x
  2. Step 2: Convert to fraction form
    5,377,390.13/7,420,704.92 = 2,930,021.30/x
  3. Step 3: Cross multiply
    5,377,390.13x = 7,420,704.92 × 2,930,021.30
  4. Step 4: Simplify right side
    5,377,390.13x = 21,742,823,439,511.27
  5. Step 5: Solve for x
    x = 21,742,823,439,511.27/5,377,390.13
  6. Step 6: Final answer
    x = 4,043,378.47

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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.