Home / 2,159,859.59-2,980,352.28-1,192,932.21

Finding the Fourth Proportional to 2,159,859.59, 2,980,352.28 and 1,192,932.21

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Solution

The fourth proportional to 2,159,859.59, 2,980,352.28 and 1,192,932.21 is: 1,646,106.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,159,859.59 : 2,980,352.28 = 1,192,932.21 : x
  2. Step 2: Convert to fraction form
    2,159,859.59/2,980,352.28 = 1,192,932.21/x
  3. Step 3: Cross multiply
    2,159,859.59x = 2,980,352.28 × 1,192,932.21
  4. Step 4: Simplify right side
    2,159,859.59x = 3,555,358,231,958.94
  5. Step 5: Solve for x
    x = 3,555,358,231,958.94/2,159,859.59
  6. Step 6: Final answer
    x = 1,646,106.19

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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.