Home / 2,159,084.58-2,979,522.09-1,192,275.78

Finding the Fourth Proportional to 2,159,084.58, 2,979,522.09 and 1,192,275.78

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Solution

The fourth proportional to 2,159,084.58, 2,979,522.09 and 1,192,275.78 is: 1,645,332.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,159,084.58 : 2,979,522.09 = 1,192,275.78 : x
  2. Step 2: Convert to fraction form
    2,159,084.58/2,979,522.09 = 1,192,275.78/x
  3. Step 3: Cross multiply
    2,159,084.58x = 2,979,522.09 × 1,192,275.78
  4. Step 4: Simplify right side
    2,159,084.58x = 3,552,412,023,881.98
  5. Step 5: Solve for x
    x = 3,552,412,023,881.98/2,159,084.58
  6. Step 6: Final answer
    x = 1,645,332.50

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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.