Home / 2,257,670.86-3,115,587.80-1,225,178.64

Finding the Fourth Proportional to 2,257,670.86, 3,115,587.80 and 1,225,178.64

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Solution

The fourth proportional to 2,257,670.86, 3,115,587.80 and 1,225,178.64 is: 1,690,747.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,257,670.86 : 3,115,587.80 = 1,225,178.64 : x
  2. Step 2: Convert to fraction form
    2,257,670.86/3,115,587.80 = 1,225,178.64/x
  3. Step 3: Cross multiply
    2,257,670.86x = 3,115,587.80 × 1,225,178.64
  4. Step 4: Simplify right side
    2,257,670.86x = 3,817,151,623,604.59
  5. Step 5: Solve for x
    x = 3,817,151,623,604.59/2,257,670.86
  6. Step 6: Final answer
    x = 1,690,747.62

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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.