Home / 2,186,426.16-3,017,272.68-1,219,531.56

Finding the Fourth Proportional to 2,186,426.16, 3,017,272.68 and 1,219,531.56

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Solution

The fourth proportional to 2,186,426.16, 3,017,272.68 and 1,219,531.56 is: 1,682,956.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186,426.16 : 3,017,272.68 = 1,219,531.56 : x
  2. Step 2: Convert to fraction form
    2,186,426.16/3,017,272.68 = 1,219,531.56/x
  3. Step 3: Cross multiply
    2,186,426.16x = 3,017,272.68 × 1,219,531.56
  4. Step 4: Simplify right side
    2,186,426.16x = 3,679,659,258,385.78
  5. Step 5: Solve for x
    x = 3,679,659,258,385.78/2,186,426.16
  6. Step 6: Final answer
    x = 1,682,956.11

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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.