Home / 2,309,897.84-3,187,679.20-1,277,351.92

Finding the Fourth Proportional to 2,309,897.84, 3,187,679.20 and 1,277,351.92

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Solution

The fourth proportional to 2,309,897.84, 3,187,679.20 and 1,277,351.92 is: 1,762,756.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,309,897.84 : 3,187,679.20 = 1,277,351.92 : x
  2. Step 2: Convert to fraction form
    2,309,897.84/3,187,679.20 = 1,277,351.92/x
  3. Step 3: Cross multiply
    2,309,897.84x = 3,187,679.20 × 1,277,351.92
  4. Step 4: Simplify right side
    2,309,897.84x = 4,071,788,146,464.06
  5. Step 5: Solve for x
    x = 4,071,788,146,464.06/2,309,897.84
  6. Step 6: Final answer
    x = 1,762,756.81

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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.