Home / 3,788,287.20-5,227,948.80-2,069,436.24

Finding the Fourth Proportional to 3,788,287.20, 5,227,948.80 and 2,069,436.24

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Solution

The fourth proportional to 3,788,287.20, 5,227,948.80 and 2,069,436.24 is: 2,855,883.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,788,287.20 : 5,227,948.80 = 2,069,436.24 : x
  2. Step 2: Convert to fraction form
    3,788,287.20/5,227,948.80 = 2,069,436.24/x
  3. Step 3: Cross multiply
    3,788,287.20x = 5,227,948.80 × 2,069,436.24
  4. Step 4: Simplify right side
    3,788,287.20x = 10,818,906,707,584.51
  5. Step 5: Solve for x
    x = 10,818,906,707,584.51/3,788,287.20
  6. Step 6: Final answer
    x = 2,855,883.45

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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.