Home / 1,914,687.52-2,642,161.04-1,055,245.12

Finding the Fourth Proportional to 1,914,687.52, 2,642,161.04 and 1,055,245.12

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Solution

The fourth proportional to 1,914,687.52, 2,642,161.04 and 1,055,245.12 is: 1,456,178.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,914,687.52 : 2,642,161.04 = 1,055,245.12 : x
  2. Step 2: Convert to fraction form
    1,914,687.52/2,642,161.04 = 1,055,245.12/x
  3. Step 3: Cross multiply
    1,914,687.52x = 2,642,161.04 × 1,055,245.12
  4. Step 4: Simplify right side
    1,914,687.52x = 2,788,127,543,714.13
  5. Step 5: Solve for x
    x = 2,788,127,543,714.13/1,914,687.52
  6. Step 6: Final answer
    x = 1,456,178.89

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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.