Home / 1,728,000.70-2,592,001.05-1,224,115.90

Finding the Fourth Proportional to 1,728,000.70, 2,592,001.05 and 1,224,115.90

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Solution

The fourth proportional to 1,728,000.70, 2,592,001.05 and 1,224,115.90 is: 1,836,173.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,000.70 : 2,592,001.05 = 1,224,115.90 : x
  2. Step 2: Convert to fraction form
    1,728,000.70/2,592,001.05 = 1,224,115.90/x
  3. Step 3: Cross multiply
    1,728,000.70x = 2,592,001.05 × 1,224,115.90
  4. Step 4: Simplify right side
    1,728,000.70x = 3,172,909,698,121.69
  5. Step 5: Solve for x
    x = 3,172,909,698,121.69/1,728,000.70
  6. Step 6: Final answer
    x = 1,836,173.85

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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.