Home / 2,935,009.90-4,050,354.03-2,198,659.78

Finding the Fourth Proportional to 2,935,009.90, 4,050,354.03 and 2,198,659.78

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Solution

The fourth proportional to 2,935,009.90, 4,050,354.03 and 2,198,659.78 is: 3,034,180.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,935,009.90 : 4,050,354.03 = 2,198,659.78 : x
  2. Step 2: Convert to fraction form
    2,935,009.90/4,050,354.03 = 2,198,659.78/x
  3. Step 3: Cross multiply
    2,935,009.90x = 4,050,354.03 × 2,198,659.78
  4. Step 4: Simplify right side
    2,935,009.90x = 8,905,350,500,521.91
  5. Step 5: Solve for x
    x = 8,905,350,500,521.91/2,935,009.90
  6. Step 6: Final answer
    x = 3,034,180.74

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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.