Home / 1,755,141.90-2,632,712.85-1,489,421.40

Finding the Fourth Proportional to 1,755,141.90, 2,632,712.85 and 1,489,421.40

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Solution

The fourth proportional to 1,755,141.90, 2,632,712.85 and 1,489,421.40 is: 2,234,132.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,141.90 : 2,632,712.85 = 1,489,421.40 : x
  2. Step 2: Convert to fraction form
    1,755,141.90/2,632,712.85 = 1,489,421.40/x
  3. Step 3: Cross multiply
    1,755,141.90x = 2,632,712.85 × 1,489,421.40
  4. Step 4: Simplify right side
    1,755,141.90x = 3,921,218,858,844.99
  5. Step 5: Solve for x
    x = 3,921,218,858,844.99/1,755,141.90
  6. Step 6: Final answer
    x = 2,234,132.10

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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.