Home / 5,131,085.45-7,081,649.12-2,955,205.13

Finding the Fourth Proportional to 5,131,085.45, 7,081,649.12 and 2,955,205.13

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Solution

The fourth proportional to 5,131,085.45, 7,081,649.12 and 2,955,205.13 is: 4,078,615.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,131,085.45 : 7,081,649.12 = 2,955,205.13 : x
  2. Step 2: Convert to fraction form
    5,131,085.45/7,081,649.12 = 2,955,205.13/x
  3. Step 3: Cross multiply
    5,131,085.45x = 7,081,649.12 × 2,955,205.13
  4. Step 4: Simplify right side
    5,131,085.45x = 20,927,725,793,507.96
  5. Step 5: Solve for x
    x = 20,927,725,793,507.96/5,131,085.45
  6. Step 6: Final answer
    x = 4,078,615.72

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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.