Home / 5,364,191.20-8,046,286.80-1,320,646.90

Finding the Fourth Proportional to 5,364,191.20, 8,046,286.80 and 1,320,646.90

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Solution

The fourth proportional to 5,364,191.20, 8,046,286.80 and 1,320,646.90 is: 1,980,970.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,364,191.20 : 8,046,286.80 = 1,320,646.90 : x
  2. Step 2: Convert to fraction form
    5,364,191.20/8,046,286.80 = 1,320,646.90/x
  3. Step 3: Cross multiply
    5,364,191.20x = 8,046,286.80 × 1,320,646.90
  4. Step 4: Simplify right side
    5,364,191.20x = 10,626,303,718,930.92
  5. Step 5: Solve for x
    x = 10,626,303,718,930.92/5,364,191.20
  6. Step 6: Final answer
    x = 1,980,970.35

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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.