Home / 5,218,402.68-7,202,182.86-3,182,393.16

Finding the Fourth Proportional to 5,218,402.68, 7,202,182.86 and 3,182,393.16

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Solution

The fourth proportional to 5,218,402.68, 7,202,182.86 and 3,182,393.16 is: 4,392,182.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,218,402.68 : 7,202,182.86 = 3,182,393.16 : x
  2. Step 2: Convert to fraction form
    5,218,402.68/7,202,182.86 = 3,182,393.16/x
  3. Step 3: Cross multiply
    5,218,402.68x = 7,202,182.86 × 3,182,393.16
  4. Step 4: Simplify right side
    5,218,402.68x = 22,920,177,470,733.24
  5. Step 5: Solve for x
    x = 22,920,177,470,733.24/5,218,402.68
  6. Step 6: Final answer
    x = 4,392,182.60

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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.