Home / 2,176,370.12-3,265,108.14-1,278,570.92

Finding the Fourth Proportional to 2,176,370.12, 3,265,108.14 and 1,278,570.92

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Solution

The fourth proportional to 2,176,370.12, 3,265,108.14 and 1,278,570.92 is: 1,918,181.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176,370.12 : 3,265,108.14 = 1,278,570.92 : x
  2. Step 2: Convert to fraction form
    2,176,370.12/3,265,108.14 = 1,278,570.92/x
  3. Step 3: Cross multiply
    2,176,370.12x = 3,265,108.14 × 1,278,570.92
  4. Step 4: Simplify right side
    2,176,370.12x = 4,174,672,318,459.29
  5. Step 5: Solve for x
    x = 4,174,672,318,459.29/2,176,370.12
  6. Step 6: Final answer
    x = 1,918,181.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.