Home / 3,127,758.20-4,692,344.75-1,688,410.71

Finding the Fourth Proportional to 3,127,758.20, 4,692,344.75 and 1,688,410.71

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Solution

The fourth proportional to 3,127,758.20, 4,692,344.75 and 1,688,410.71 is: 2,532,997.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127,758.20 : 4,692,344.75 = 1,688,410.71 : x
  2. Step 2: Convert to fraction form
    3,127,758.20/4,692,344.75 = 1,688,410.71/x
  3. Step 3: Cross multiply
    3,127,758.20x = 4,692,344.75 × 1,688,410.71
  4. Step 4: Simplify right side
    3,127,758.20x = 7,922,605,122,470.22
  5. Step 5: Solve for x
    x = 7,922,605,122,470.22/3,127,758.20
  6. Step 6: Final answer
    x = 2,532,997.96

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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.