Home / 3,864,576.88-5,333,014.56-2,145,653.20

Finding the Fourth Proportional to 3,864,576.88, 5,333,014.56 and 2,145,653.20

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Solution

The fourth proportional to 3,864,576.88, 5,333,014.56 and 2,145,653.20 is: 2,960,945.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864,576.88 : 5,333,014.56 = 2,145,653.20 : x
  2. Step 2: Convert to fraction form
    3,864,576.88/5,333,014.56 = 2,145,653.20/x
  3. Step 3: Cross multiply
    3,864,576.88x = 5,333,014.56 × 2,145,653.20
  4. Step 4: Simplify right side
    3,864,576.88x = 11,442,799,756,310.59
  5. Step 5: Solve for x
    x = 11,442,799,756,310.59/3,864,576.88
  6. Step 6: Final answer
    x = 2,960,945.04

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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.