Home / 3,380,278.02-5,070,601.70-855,955.14

Finding the Fourth Proportional to 3,380,278.02, 5,070,601.70 and 855,955.14

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Solution

The fourth proportional to 3,380,278.02, 5,070,601.70 and 855,955.14 is: 1,283,979.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,380,278.02 : 5,070,601.70 = 855,955.14 : x
  2. Step 2: Convert to fraction form
    3,380,278.02/5,070,601.70 = 855,955.14/x
  3. Step 3: Cross multiply
    3,380,278.02x = 5,070,601.70 × 855,955.14
  4. Step 4: Simplify right side
    3,380,278.02x = 4,340,207,588,007.74
  5. Step 5: Solve for x
    x = 4,340,207,588,007.74/3,380,278.02
  6. Step 6: Final answer
    x = 1,283,979.47

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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.