Home / 2,256,878.76-3,385,864.89-1,297,948.11

Finding the Fourth Proportional to 2,256,878.76, 3,385,864.89 and 1,297,948.11

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Solution

The fourth proportional to 2,256,878.76, 3,385,864.89 and 1,297,948.11 is: 1,947,236.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,256,878.76 : 3,385,864.89 = 1,297,948.11 : x
  2. Step 2: Convert to fraction form
    2,256,878.76/3,385,864.89 = 1,297,948.11/x
  3. Step 3: Cross multiply
    2,256,878.76x = 3,385,864.89 × 1,297,948.11
  4. Step 4: Simplify right side
    2,256,878.76x = 4,394,676,934,690.86
  5. Step 5: Solve for x
    x = 4,394,676,934,690.86/2,256,878.76
  6. Step 6: Final answer
    x = 1,947,236.61

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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.