Home / 1,561,577.50-2,329,239.65-1,418,066.56

Finding the Fourth Proportional to 1,561,577.50, 2,329,239.65 and 1,418,066.56

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Solution

The fourth proportional to 1,561,577.50, 2,329,239.65 and 1,418,066.56 is: 2,115,179.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561,577.50 : 2,329,239.65 = 1,418,066.56 : x
  2. Step 2: Convert to fraction form
    1,561,577.50/2,329,239.65 = 1,418,066.56/x
  3. Step 3: Cross multiply
    1,561,577.50x = 2,329,239.65 × 1,418,066.56
  4. Step 4: Simplify right side
    1,561,577.50x = 3,303,016,857,891.10
  5. Step 5: Solve for x
    x = 3,303,016,857,891.10/1,561,577.50
  6. Step 6: Final answer
    x = 2,115,179.59

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.