Home / 2,913,605.78-4,370,252.85-891,850.72

Finding the Fourth Proportional to 2,913,605.78, 4,370,252.85 and 891,850.72

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Solution

The fourth proportional to 2,913,605.78, 4,370,252.85 and 891,850.72 is: 1,337,728.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913,605.78 : 4,370,252.85 = 891,850.72 : x
  2. Step 2: Convert to fraction form
    2,913,605.78/4,370,252.85 = 891,850.72/x
  3. Step 3: Cross multiply
    2,913,605.78x = 4,370,252.85 × 891,850.72
  4. Step 4: Simplify right side
    2,913,605.78x = 3,897,613,150,854.55
  5. Step 5: Solve for x
    x = 3,897,613,150,854.55/2,913,605.78
  6. Step 6: Final answer
    x = 1,337,728.38

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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.