Home / 5,364,175.20-8,046,262.80-1,320,630.90

Finding the Fourth Proportional to 5,364,175.20, 8,046,262.80 and 1,320,630.90

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Solution

The fourth proportional to 5,364,175.20, 8,046,262.80 and 1,320,630.90 is: 1,980,946.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,364,175.20 : 8,046,262.80 = 1,320,630.90 : x
  2. Step 2: Convert to fraction form
    5,364,175.20/8,046,262.80 = 1,320,630.90/x
  3. Step 3: Cross multiply
    5,364,175.20x = 8,046,262.80 × 1,320,630.90
  4. Step 4: Simplify right side
    5,364,175.20x = 10,626,143,283,200.52
  5. Step 5: Solve for x
    x = 10,626,143,283,200.52/5,364,175.20
  6. Step 6: Final answer
    x = 1,980,946.35

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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.