Home / 1,910,521.90-2,872,003.65-1,353,414.70

Finding the Fourth Proportional to 1,910,521.90, 2,872,003.65 and 1,353,414.70

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Solution

The fourth proportional to 1,910,521.90, 2,872,003.65 and 1,353,414.70 is: 2,034,528.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,910,521.90 : 2,872,003.65 = 1,353,414.70 : x
  2. Step 2: Convert to fraction form
    1,910,521.90/2,872,003.65 = 1,353,414.70/x
  3. Step 3: Cross multiply
    1,910,521.90x = 2,872,003.65 × 1,353,414.70
  4. Step 4: Simplify right side
    1,910,521.90x = 3,887,011,958,363.66
  5. Step 5: Solve for x
    x = 3,887,011,958,363.66/1,910,521.90
  6. Step 6: Final answer
    x = 2,034,528.87

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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.