Home / 2,785,910.76-3,845,108.21-1,807,062.87

Finding the Fourth Proportional to 2,785,910.76, 3,845,108.21 and 1,807,062.87

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Solution

The fourth proportional to 2,785,910.76, 3,845,108.21 and 1,807,062.87 is: 2,494,104.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,785,910.76 : 3,845,108.21 = 1,807,062.87 : x
  2. Step 2: Convert to fraction form
    2,785,910.76/3,845,108.21 = 1,807,062.87/x
  3. Step 3: Cross multiply
    2,785,910.76x = 3,845,108.21 × 1,807,062.87
  4. Step 4: Simplify right side
    2,785,910.76x = 6,948,352,272,026.30
  5. Step 5: Solve for x
    x = 6,948,352,272,026.30/2,785,910.76
  6. Step 6: Final answer
    x = 2,494,104.39

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1.5x scale

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.