Home / 3,895,624.71-5,375,868.26-2,129,444.52

Finding the Fourth Proportional to 3,895,624.71, 5,375,868.26 and 2,129,444.52

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Solution

The fourth proportional to 3,895,624.71, 5,375,868.26 and 2,129,444.52 is: 2,938,582.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,895,624.71 : 5,375,868.26 = 2,129,444.52 : x
  2. Step 2: Convert to fraction form
    3,895,624.71/5,375,868.26 = 2,129,444.52/x
  3. Step 3: Cross multiply
    3,895,624.71x = 5,375,868.26 × 2,129,444.52
  4. Step 4: Simplify right side
    3,895,624.71x = 11,447,613,206,498.94
  5. Step 5: Solve for x
    x = 11,447,613,206,498.94/3,895,624.71
  6. Step 6: Final answer
    x = 2,938,582.14

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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.