Home / 1,627,776.72-2,441,165.88-1,125,564.72

Finding the Fourth Proportional to 1,627,776.72, 2,441,165.88 and 1,125,564.72

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Solution

The fourth proportional to 1,627,776.72, 2,441,165.88 and 1,125,564.72 is: 1,688,001.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627,776.72 : 2,441,165.88 = 1,125,564.72 : x
  2. Step 2: Convert to fraction form
    1,627,776.72/2,441,165.88 = 1,125,564.72/x
  3. Step 3: Cross multiply
    1,627,776.72x = 2,441,165.88 × 1,125,564.72
  4. Step 4: Simplify right side
    1,627,776.72x = 2,747,690,190,195.75
  5. Step 5: Solve for x
    x = 2,747,690,190,195.75/1,627,776.72
  6. Step 6: Final answer
    x = 1,688,001.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.