Home / 2,057,489.21-2,840,319.66-1,370,304.65

Finding the Fourth Proportional to 2,057,489.21, 2,840,319.66 and 1,370,304.65

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Solution

The fourth proportional to 2,057,489.21, 2,840,319.66 and 1,370,304.65 is: 1,891,676.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,057,489.21 : 2,840,319.66 = 1,370,304.65 : x
  2. Step 2: Convert to fraction form
    2,057,489.21/2,840,319.66 = 1,370,304.65/x
  3. Step 3: Cross multiply
    2,057,489.21x = 2,840,319.66 × 1,370,304.65
  4. Step 4: Simplify right side
    2,057,489.21x = 3,892,103,223,382.82
  5. Step 5: Solve for x
    x = 3,892,103,223,382.82/2,057,489.21
  6. Step 6: Final answer
    x = 1,891,676.13

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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.