Home / 2,161,988.88-2,983,500.66-1,195,159.92

Finding the Fourth Proportional to 2,161,988.88, 2,983,500.66 and 1,195,159.92

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Solution

The fourth proportional to 2,161,988.88, 2,983,500.66 and 1,195,159.92 is: 1,649,296.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,161,988.88 : 2,983,500.66 = 1,195,159.92 : x
  2. Step 2: Convert to fraction form
    2,161,988.88/2,983,500.66 = 1,195,159.92/x
  3. Step 3: Cross multiply
    2,161,988.88x = 2,983,500.66 × 1,195,159.92
  4. Step 4: Simplify right side
    2,161,988.88x = 3,565,760,410,125.55
  5. Step 5: Solve for x
    x = 3,565,760,410,125.55/2,161,988.88
  6. Step 6: Final answer
    x = 1,649,296.37

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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.