Home / 2,115,233.42-2,919,022.12-1,148,363.71

Finding the Fourth Proportional to 2,115,233.42, 2,919,022.12 and 1,148,363.71

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Solution

The fourth proportional to 2,115,233.42, 2,919,022.12 and 1,148,363.71 is: 1,584,741.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115,233.42 : 2,919,022.12 = 1,148,363.71 : x
  2. Step 2: Convert to fraction form
    2,115,233.42/2,919,022.12 = 1,148,363.71/x
  3. Step 3: Cross multiply
    2,115,233.42x = 2,919,022.12 × 1,148,363.71
  4. Step 4: Simplify right side
    2,115,233.42x = 3,352,099,081,463.73
  5. Step 5: Solve for x
    x = 3,352,099,081,463.73/2,115,233.42
  6. Step 6: Final answer
    x = 1,584,741.92

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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.