Home / 2,175,543.86-3,002,074.49-1,257,831.88

Finding the Fourth Proportional to 2,175,543.86, 3,002,074.49 and 1,257,831.88

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Solution

The fourth proportional to 2,175,543.86, 3,002,074.49 and 1,257,831.88 is: 1,735,706.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175,543.86 : 3,002,074.49 = 1,257,831.88 : x
  2. Step 2: Convert to fraction form
    2,175,543.86/3,002,074.49 = 1,257,831.88/x
  3. Step 3: Cross multiply
    2,175,543.86x = 3,002,074.49 × 1,257,831.88
  4. Step 4: Simplify right side
    2,175,543.86x = 3,776,104,995,296.14
  5. Step 5: Solve for x
    x = 3,776,104,995,296.14/2,175,543.86
  6. Step 6: Final answer
    x = 1,735,706.22

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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.