Home / 1,644,778.10-2,270,417.95-1,472,385.60

Finding the Fourth Proportional to 1,644,778.10, 2,270,417.95 and 1,472,385.60

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Solution

The fourth proportional to 1,644,778.10, 2,270,417.95 and 1,472,385.60 is: 2,032,450.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644,778.10 : 2,270,417.95 = 1,472,385.60 : x
  2. Step 2: Convert to fraction form
    1,644,778.10/2,270,417.95 = 1,472,385.60/x
  3. Step 3: Cross multiply
    1,644,778.10x = 2,270,417.95 × 1,472,385.60
  4. Step 4: Simplify right side
    1,644,778.10x = 3,342,930,697,402.00
  5. Step 5: Solve for x
    x = 3,342,930,697,402.00/1,644,778.10
  6. Step 6: Final answer
    x = 2,032,450.88

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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.