Home / 2,159,654.82-2,980,266.66-1,192,764.30

Finding the Fourth Proportional to 2,159,654.82, 2,980,266.66 and 1,192,764.30

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Solution

The fourth proportional to 2,159,654.82, 2,980,266.66 and 1,192,764.30 is: 1,645,983.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,159,654.82 : 2,980,266.66 = 1,192,764.30 : x
  2. Step 2: Convert to fraction form
    2,159,654.82/2,980,266.66 = 1,192,764.30/x
  3. Step 3: Cross multiply
    2,159,654.82x = 2,980,266.66 × 1,192,764.30
  4. Step 4: Simplify right side
    2,159,654.82x = 3,554,755,676,528.24
  5. Step 5: Solve for x
    x = 3,554,755,676,528.24/2,159,654.82
  6. Step 6: Final answer
    x = 1,645,983.26

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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.