Home / 6,626,645.76-9,941,020.56-2,137,872

Finding the Fourth Proportional to 6,626,645.76, 9,941,020.56 and 2,137,872

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Solution

The fourth proportional to 6,626,645.76, 9,941,020.56 and 2,137,872 is: 3,207,147.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,626,645.76 : 9,941,020.56 = 2,137,872 : x
  2. Step 2: Convert to fraction form
    6,626,645.76/9,941,020.56 = 2,137,872/x
  3. Step 3: Cross multiply
    6,626,645.76x = 9,941,020.56 × 2,137,872
  4. Step 4: Simplify right side
    6,626,645.76x = 21,252,629,506,648.32
  5. Step 5: Solve for x
    x = 21,252,629,506,648.32/6,626,645.76
  6. Step 6: Final answer
    x = 3,207,147.37

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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.