Home / 1,934,778.10-2,902,167.15-978,184.30

Finding the Fourth Proportional to 1,934,778.10, 2,902,167.15 and 978,184.30

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Solution

The fourth proportional to 1,934,778.10, 2,902,167.15 and 978,184.30 is: 1,467,276.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,934,778.10 : 2,902,167.15 = 978,184.30 : x
  2. Step 2: Convert to fraction form
    1,934,778.10/2,902,167.15 = 978,184.30/x
  3. Step 3: Cross multiply
    1,934,778.10x = 2,902,167.15 × 978,184.30
  4. Step 4: Simplify right side
    1,934,778.10x = 2,838,854,342,105.75
  5. Step 5: Solve for x
    x = 2,838,854,342,105.75/1,934,778.10
  6. Step 6: Final answer
    x = 1,467,276.45

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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.