Home / 3,132,081.36-4,322,878.45-2,042,461.24

Finding the Fourth Proportional to 3,132,081.36, 4,322,878.45 and 2,042,461.24

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Solution

The fourth proportional to 3,132,081.36, 4,322,878.45 and 2,042,461.24 is: 2,818,991.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132,081.36 : 4,322,878.45 = 2,042,461.24 : x
  2. Step 2: Convert to fraction form
    3,132,081.36/4,322,878.45 = 2,042,461.24/x
  3. Step 3: Cross multiply
    3,132,081.36x = 4,322,878.45 × 2,042,461.24
  4. Step 4: Simplify right side
    3,132,081.36x = 8,829,311,663,442.93
  5. Step 5: Solve for x
    x = 8,829,311,663,442.93/3,132,081.36
  6. Step 6: Final answer
    x = 2,818,991.80

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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.