Home / 2,877,445.12-3,970,874.66-1,588,285.78

Finding the Fourth Proportional to 2,877,445.12, 3,970,874.66 and 1,588,285.78

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Solution

The fourth proportional to 2,877,445.12, 3,970,874.66 and 1,588,285.78 is: 2,191,834.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877,445.12 : 3,970,874.66 = 1,588,285.78 : x
  2. Step 2: Convert to fraction form
    2,877,445.12/3,970,874.66 = 1,588,285.78/x
  3. Step 3: Cross multiply
    2,877,445.12x = 3,970,874.66 × 1,588,285.78
  4. Step 4: Simplify right side
    2,877,445.12x = 6,306,883,728,844.53
  5. Step 5: Solve for x
    x = 6,306,883,728,844.53/2,877,445.12
  6. Step 6: Final answer
    x = 2,191,834.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.