Home / 2,821,042.76-4,230,665.58-927,347.72

Finding the Fourth Proportional to 2,821,042.76, 4,230,665.58 and 927,347.72

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Solution

The fourth proportional to 2,821,042.76, 4,230,665.58 and 927,347.72 is: 1,390,726.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,821,042.76 : 4,230,665.58 = 927,347.72 : x
  2. Step 2: Convert to fraction form
    2,821,042.76/4,230,665.58 = 927,347.72/x
  3. Step 3: Cross multiply
    2,821,042.76x = 4,230,665.58 × 927,347.72
  4. Step 4: Simplify right side
    2,821,042.76x = 3,923,298,079,695.48
  5. Step 5: Solve for x
    x = 3,923,298,079,695.48/2,821,042.76
  6. Step 6: Final answer
    x = 1,390,726.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.