Home / 2,309,728.64-3,187,145.93-1,277,165.75

Finding the Fourth Proportional to 2,309,728.64, 3,187,145.93 and 1,277,165.75

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Solution

The fourth proportional to 2,309,728.64, 3,187,145.93 and 1,277,165.75 is: 1,762,334.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,309,728.64 : 3,187,145.93 = 1,277,165.75 : x
  2. Step 2: Convert to fraction form
    2,309,728.64/3,187,145.93 = 1,277,165.75/x
  3. Step 3: Cross multiply
    2,309,728.64x = 3,187,145.93 × 1,277,165.75
  4. Step 4: Simplify right side
    2,309,728.64x = 4,070,513,599,726.34
  5. Step 5: Solve for x
    x = 4,070,513,599,726.34/2,309,728.64
  6. Step 6: Final answer
    x = 1,762,334.13

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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.