Home / 1,791,987.47-2,472,941.63-987,171.47

Finding the Fourth Proportional to 1,791,987.47, 2,472,941.63 and 987,171.47

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Solution

The fourth proportional to 1,791,987.47, 2,472,941.63 and 987,171.47 is: 1,362,296.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791,987.47 : 2,472,941.63 = 987,171.47 : x
  2. Step 2: Convert to fraction form
    1,791,987.47/2,472,941.63 = 987,171.47/x
  3. Step 3: Cross multiply
    1,791,987.47x = 2,472,941.63 × 987,171.47
  4. Step 4: Simplify right side
    1,791,987.47x = 2,441,217,414,214.52
  5. Step 5: Solve for x
    x = 2,441,217,414,214.52/1,791,987.47
  6. Step 6: Final answer
    x = 1,362,296.03

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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.