Home / 1,986,797.10-2,741,838.54-1,407,057.42

Finding the Fourth Proportional to 1,986,797.10, 2,741,838.54 and 1,407,057.42

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Solution

The fourth proportional to 1,986,797.10, 2,741,838.54 and 1,407,057.42 is: 1,941,780.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,797.10 : 2,741,838.54 = 1,407,057.42 : x
  2. Step 2: Convert to fraction form
    1,986,797.10/2,741,838.54 = 1,407,057.42/x
  3. Step 3: Cross multiply
    1,986,797.10x = 2,741,838.54 × 1,407,057.42
  4. Step 4: Simplify right side
    1,986,797.10x = 3,857,924,262,148.97
  5. Step 5: Solve for x
    x = 3,857,924,262,148.97/1,986,797.10
  6. Step 6: Final answer
    x = 1,941,780.70

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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.