Home / 2,257,916.81-3,115,948.50-1,225,433.52

Finding the Fourth Proportional to 2,257,916.81, 3,115,948.50 and 1,225,433.52

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Solution

The fourth proportional to 2,257,916.81, 3,115,948.50 and 1,225,433.52 is: 1,691,110.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,257,916.81 : 3,115,948.50 = 1,225,433.52 : x
  2. Step 2: Convert to fraction form
    2,257,916.81/3,115,948.50 = 1,225,433.52/x
  3. Step 3: Cross multiply
    2,257,916.81x = 3,115,948.50 × 1,225,433.52
  4. Step 4: Simplify right side
    2,257,916.81x = 3,818,387,738,493.72
  5. Step 5: Solve for x
    x = 3,818,387,738,493.72/2,257,916.81
  6. Step 6: Final answer
    x = 1,691,110.91

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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.