Home / 2,257,928.60-3,115,964.76-1,225,445.28

Finding the Fourth Proportional to 2,257,928.60, 3,115,964.76 and 1,225,445.28

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Solution

The fourth proportional to 2,257,928.60, 3,115,964.76 and 1,225,445.28 is: 1,691,127.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,257,928.60 : 3,115,964.76 = 1,225,445.28 : x
  2. Step 2: Convert to fraction form
    2,257,928.60/3,115,964.76 = 1,225,445.28/x
  3. Step 3: Cross multiply
    2,257,928.60x = 3,115,964.76 × 1,225,445.28
  4. Step 4: Simplify right side
    2,257,928.60x = 3,818,444,307,788.33
  5. Step 5: Solve for x
    x = 3,818,444,307,788.33/2,257,928.60
  6. Step 6: Final answer
    x = 1,691,127.13

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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.