Home / 2,777,129.91-3,830,896.46-1,615,445.39

Finding the Fourth Proportional to 2,777,129.91, 3,830,896.46 and 1,615,445.39

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Solution

The fourth proportional to 2,777,129.91, 3,830,896.46 and 1,615,445.39 is: 2,228,417.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,777,129.91 : 3,830,896.46 = 1,615,445.39 : x
  2. Step 2: Convert to fraction form
    2,777,129.91/3,830,896.46 = 1,615,445.39/x
  3. Step 3: Cross multiply
    2,777,129.91x = 3,830,896.46 × 1,615,445.39
  4. Step 4: Simplify right side
    2,777,129.91x = 6,188,603,998,642.61
  5. Step 5: Solve for x
    x = 6,188,603,998,642.61/2,777,129.91
  6. Step 6: Final answer
    x = 2,228,417.18

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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.