Home / 3,215,057.90-4,820,834.85-970,904.30

Finding the Fourth Proportional to 3,215,057.90, 4,820,834.85 and 970,904.30

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Solution

The fourth proportional to 3,215,057.90, 4,820,834.85 and 970,904.30 is: 1,455,827.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215,057.90 : 4,820,834.85 = 970,904.30 : x
  2. Step 2: Convert to fraction form
    3,215,057.90/4,820,834.85 = 970,904.30/x
  3. Step 3: Cross multiply
    3,215,057.90x = 4,820,834.85 × 970,904.30
  4. Step 4: Simplify right side
    3,215,057.90x = 4,680,569,285,454.85
  5. Step 5: Solve for x
    x = 4,680,569,285,454.85/3,215,057.90
  6. Step 6: Final answer
    x = 1,455,827.37

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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.