Home / 2,381,142.18-3,286,037.38-1,293,476

Finding the Fourth Proportional to 2,381,142.18, 3,286,037.38 and 1,293,476

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Solution

The fourth proportional to 2,381,142.18, 3,286,037.38 and 1,293,476 is: 1,785,030.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,381,142.18 : 3,286,037.38 = 1,293,476 : x
  2. Step 2: Convert to fraction form
    2,381,142.18/3,286,037.38 = 1,293,476/x
  3. Step 3: Cross multiply
    2,381,142.18x = 3,286,037.38 × 1,293,476
  4. Step 4: Simplify right side
    2,381,142.18x = 4,250,410,486,132.88
  5. Step 5: Solve for x
    x = 4,250,410,486,132.88/2,381,142.18
  6. Step 6: Final answer
    x = 1,785,030.11

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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.