Home / 5,266,918.40-7,265,437.20-4,287,910.55

Finding the Fourth Proportional to 5,266,918.40, 7,265,437.20 and 4,287,910.55

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Solution

The fourth proportional to 5,266,918.40, 7,265,437.20 and 4,287,910.55 is: 5,914,947.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,266,918.40 : 7,265,437.20 = 4,287,910.55 : x
  2. Step 2: Convert to fraction form
    5,266,918.40/7,265,437.20 = 4,287,910.55/x
  3. Step 3: Cross multiply
    5,266,918.40x = 7,265,437.20 × 4,287,910.55
  4. Step 4: Simplify right side
    5,266,918.40x = 31,153,544,783,915.27
  5. Step 5: Solve for x
    x = 31,153,544,783,915.27/5,266,918.40
  6. Step 6: Final answer
    x = 5,914,947.31

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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.