Home / 2,386,733.42-3,580,218.14-681,128.11

Finding the Fourth Proportional to 2,386,733.42, 3,580,218.14 and 681,128.11

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Solution

The fourth proportional to 2,386,733.42, 3,580,218.14 and 681,128.11 is: 1,021,725.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,386,733.42 : 3,580,218.14 = 681,128.11 : x
  2. Step 2: Convert to fraction form
    2,386,733.42/3,580,218.14 = 681,128.11/x
  3. Step 3: Cross multiply
    2,386,733.42x = 3,580,218.14 × 681,128.11
  4. Step 4: Simplify right side
    2,386,733.42x = 2,438,587,215,085.92
  5. Step 5: Solve for x
    x = 2,438,587,215,085.92/2,386,733.42
  6. Step 6: Final answer
    x = 1,021,725.84

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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.