Home / 5,106,296.64-7,661,770.20-1,911,671.76

Finding the Fourth Proportional to 5,106,296.64, 7,661,770.20 and 1,911,671.76

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Solution

The fourth proportional to 5,106,296.64, 7,661,770.20 and 1,911,671.76 is: 2,868,378.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,106,296.64 : 7,661,770.20 = 1,911,671.76 : x
  2. Step 2: Convert to fraction form
    5,106,296.64/7,661,770.20 = 1,911,671.76/x
  3. Step 3: Cross multiply
    5,106,296.64x = 7,661,770.20 × 1,911,671.76
  4. Step 4: Simplify right side
    5,106,296.64x = 14,646,789,722,949.55
  5. Step 5: Solve for x
    x = 14,646,789,722,949.55/5,106,296.64
  6. Step 6: Final answer
    x = 2,868,378.15

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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.