Home / 3,120,952.47-4,681,590.71-991,203.27

Finding the Fourth Proportional to 3,120,952.47, 4,681,590.71 and 991,203.27

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Solution

The fourth proportional to 3,120,952.47, 4,681,590.71 and 991,203.27 is: 1,486,856.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,952.47 : 4,681,590.71 = 991,203.27 : x
  2. Step 2: Convert to fraction form
    3,120,952.47/4,681,590.71 = 991,203.27/x
  3. Step 3: Cross multiply
    3,120,952.47x = 4,681,590.71 × 991,203.27
  4. Step 4: Simplify right side
    3,120,952.47x = 4,640,408,015,597.61
  5. Step 5: Solve for x
    x = 4,640,408,015,597.61/3,120,952.47
  6. Step 6: Final answer
    x = 1,486,856.36

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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.