Home / 3,612,375.54-4,985,134.29-1,980,931.86

Finding the Fourth Proportional to 3,612,375.54, 4,985,134.29 and 1,980,931.86

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Solution

The fourth proportional to 3,612,375.54, 4,985,134.29 and 1,980,931.86 is: 2,733,716.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612,375.54 : 4,985,134.29 = 1,980,931.86 : x
  2. Step 2: Convert to fraction form
    3,612,375.54/4,985,134.29 = 1,980,931.86/x
  3. Step 3: Cross multiply
    3,612,375.54x = 4,985,134.29 × 1,980,931.86
  4. Step 4: Simplify right side
    3,612,375.54x = 9,875,211,341,439.48
  5. Step 5: Solve for x
    x = 9,875,211,341,439.48/3,612,375.54
  6. Step 6: Final answer
    x = 2,733,716.70

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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.