Home / 2,057,354.70-3,087,781.65-921,864.30

Finding the Fourth Proportional to 2,057,354.70, 3,087,781.65 and 921,864.30

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Solution

The fourth proportional to 2,057,354.70, 3,087,781.65 and 921,864.30 is: 1,383,580.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,057,354.70 : 3,087,781.65 = 921,864.30 : x
  2. Step 2: Convert to fraction form
    2,057,354.70/3,087,781.65 = 921,864.30/x
  3. Step 3: Cross multiply
    2,057,354.70x = 3,087,781.65 × 921,864.30
  4. Step 4: Simplify right side
    2,057,354.70x = 2,846,515,669,330.10
  5. Step 5: Solve for x
    x = 2,846,515,669,330.10/2,057,354.70
  6. Step 6: Final answer
    x = 1,383,580.41

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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.