Home / 3,380,035.14-5,070,061.35-855,690.66

Finding the Fourth Proportional to 3,380,035.14, 5,070,061.35 and 855,690.66

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Solution

The fourth proportional to 3,380,035.14, 5,070,061.35 and 855,690.66 is: 1,283,538.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,380,035.14 : 5,070,061.35 = 855,690.66 : x
  2. Step 2: Convert to fraction form
    3,380,035.14/5,070,061.35 = 855,690.66/x
  3. Step 3: Cross multiply
    3,380,035.14x = 5,070,061.35 × 855,690.66
  4. Step 4: Simplify right side
    3,380,035.14x = 4,338,404,142,821.99
  5. Step 5: Solve for x
    x = 4,338,404,142,821.99/3,380,035.14
  6. Step 6: Final answer
    x = 1,283,538.18

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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.