Home / 2,159,084.08-2,979,521.40-1,192,275.28

Finding the Fourth Proportional to 2,159,084.08, 2,979,521.40 and 1,192,275.28

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Solution

The fourth proportional to 2,159,084.08, 2,979,521.40 and 1,192,275.28 is: 1,645,331.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,159,084.08 : 2,979,521.40 = 1,192,275.28 : x
  2. Step 2: Convert to fraction form
    2,159,084.08/2,979,521.40 = 1,192,275.28/x
  3. Step 3: Cross multiply
    2,159,084.08x = 2,979,521.40 × 1,192,275.28
  4. Step 4: Simplify right side
    2,159,084.08x = 3,552,409,711,450.99
  5. Step 5: Solve for x
    x = 3,552,409,711,450.99/2,159,084.08
  6. Step 6: Final answer
    x = 1,645,331.81

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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.