Home / 1,816,872.64-2,507,341.04-1,042,645.12

Finding the Fourth Proportional to 1,816,872.64, 2,507,341.04 and 1,042,645.12

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Solution

The fourth proportional to 1,816,872.64, 2,507,341.04 and 1,042,645.12 is: 1,438,882.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816,872.64 : 2,507,341.04 = 1,042,645.12 : x
  2. Step 2: Convert to fraction form
    1,816,872.64/2,507,341.04 = 1,042,645.12/x
  3. Step 3: Cross multiply
    1,816,872.64x = 2,507,341.04 × 1,042,645.12
  4. Step 4: Simplify right side
    1,816,872.64x = 2,614,266,899,531.72
  5. Step 5: Solve for x
    x = 2,614,266,899,531.72/1,816,872.64
  6. Step 6: Final answer
    x = 1,438,882.86

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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.