Home / 3,422,011.28-4,722,872.52-1,971,424.40

Finding the Fourth Proportional to 3,422,011.28, 4,722,872.52 and 1,971,424.40

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Solution

The fourth proportional to 3,422,011.28, 4,722,872.52 and 1,971,424.40 is: 2,720,851.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,422,011.28 : 4,722,872.52 = 1,971,424.40 : x
  2. Step 2: Convert to fraction form
    3,422,011.28/4,722,872.52 = 1,971,424.40/x
  3. Step 3: Cross multiply
    3,422,011.28x = 4,722,872.52 × 1,971,424.40
  4. Step 4: Simplify right side
    3,422,011.28x = 9,310,786,124,017.49
  5. Step 5: Solve for x
    x = 9,310,786,124,017.49/3,422,011.28
  6. Step 6: Final answer
    x = 2,720,851.97

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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.