Home / 2,037,422.28-2,811,718.62-1,221,758.76

Finding the Fourth Proportional to 2,037,422.28, 2,811,718.62 and 1,221,758.76

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Solution

The fourth proportional to 2,037,422.28, 2,811,718.62 and 1,221,758.76 is: 1,686,072.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,037,422.28 : 2,811,718.62 = 1,221,758.76 : x
  2. Step 2: Convert to fraction form
    2,037,422.28/2,811,718.62 = 1,221,758.76/x
  3. Step 3: Cross multiply
    2,037,422.28x = 2,811,718.62 × 1,221,758.76
  4. Step 4: Simplify right side
    2,037,422.28x = 3,435,241,854,640.11
  5. Step 5: Solve for x
    x = 3,435,241,854,640.11/2,037,422.28
  6. Step 6: Final answer
    x = 1,686,072.59

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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.