Home / 2,605,935.04-3,909,394.08-987,188.56

Finding the Fourth Proportional to 2,605,935.04, 3,909,394.08 and 987,188.56

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Solution

The fourth proportional to 2,605,935.04, 3,909,394.08 and 987,188.56 is: 1,480,969.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,605,935.04 : 3,909,394.08 = 987,188.56 : x
  2. Step 2: Convert to fraction form
    2,605,935.04/3,909,394.08 = 987,188.56/x
  3. Step 3: Cross multiply
    2,605,935.04x = 3,909,394.08 × 987,188.56
  4. Step 4: Simplify right side
    2,605,935.04x = 3,859,309,112,307.73
  5. Step 5: Solve for x
    x = 3,859,309,112,307.73/2,605,935.04
  6. Step 6: Final answer
    x = 1,480,969.04

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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.