Home / 2,154,660.62-2,973,451.72-1,187,825.51

Finding the Fourth Proportional to 2,154,660.62, 2,973,451.72 and 1,187,825.51

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Solution

The fourth proportional to 2,154,660.62, 2,973,451.72 and 1,187,825.51 is: 1,639,210.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,660.62 : 2,973,451.72 = 1,187,825.51 : x
  2. Step 2: Convert to fraction form
    2,154,660.62/2,973,451.72 = 1,187,825.51/x
  3. Step 3: Cross multiply
    2,154,660.62x = 2,973,451.72 × 1,187,825.51
  4. Step 4: Simplify right side
    2,154,660.62x = 3,531,941,805,769.38
  5. Step 5: Solve for x
    x = 3,531,941,805,769.38/2,154,660.62
  6. Step 6: Final answer
    x = 1,639,210.26

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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.