Home / 1,986,801.04-2,741,844.12-1,407,061.36

Finding the Fourth Proportional to 1,986,801.04, 2,741,844.12 and 1,407,061.36

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Solution

The fourth proportional to 1,986,801.04, 2,741,844.12 and 1,407,061.36 is: 1,941,786.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,801.04 : 2,741,844.12 = 1,407,061.36 : x
  2. Step 2: Convert to fraction form
    1,986,801.04/2,741,844.12 = 1,407,061.36/x
  3. Step 3: Cross multiply
    1,986,801.04x = 2,741,844.12 × 1,407,061.36
  4. Step 4: Simplify right side
    1,986,801.04x = 3,857,942,916,395.20
  5. Step 5: Solve for x
    x = 3,857,942,916,395.20/1,986,801.04
  6. Step 6: Final answer
    x = 1,941,786.24

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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.