Home / 3,930,581.76-5,895,806.48-1,770,405.28

Finding the Fourth Proportional to 3,930,581.76, 5,895,806.48 and 1,770,405.28

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Solution

The fourth proportional to 3,930,581.76, 5,895,806.48 and 1,770,405.28 is: 2,655,578.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,930,581.76 : 5,895,806.48 = 1,770,405.28 : x
  2. Step 2: Convert to fraction form
    3,930,581.76/5,895,806.48 = 1,770,405.28/x
  3. Step 3: Cross multiply
    3,930,581.76x = 5,895,806.48 × 1,770,405.28
  4. Step 4: Simplify right side
    3,930,581.76x = 10,437,966,922,050.21
  5. Step 5: Solve for x
    x = 10,437,966,922,050.21/3,930,581.76
  6. Step 6: Final answer
    x = 2,655,578.12

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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.