Home / 2,799,703.28-4,200,223.80-906,446.72

Finding the Fourth Proportional to 2,799,703.28, 4,200,223.80 and 906,446.72

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Solution

The fourth proportional to 2,799,703.28, 4,200,223.80 and 906,446.72 is: 1,359,886.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799,703.28 : 4,200,223.80 = 906,446.72 : x
  2. Step 2: Convert to fraction form
    2,799,703.28/4,200,223.80 = 906,446.72/x
  3. Step 3: Cross multiply
    2,799,703.28x = 4,200,223.80 × 906,446.72
  4. Step 4: Simplify right side
    2,799,703.28x = 3,807,279,086,775.94
  5. Step 5: Solve for x
    x = 3,807,279,086,775.94/2,799,703.28
  6. Step 6: Final answer
    x = 1,359,886.64

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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.