Home / 6,440,690.80-9,661,036.20-2,652,914.80

Finding the Fourth Proportional to 6,440,690.80, 9,661,036.20 and 2,652,914.80

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Solution

The fourth proportional to 6,440,690.80, 9,661,036.20 and 2,652,914.80 is: 3,979,372.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,440,690.80 : 9,661,036.20 = 2,652,914.80 : x
  2. Step 2: Convert to fraction form
    6,440,690.80/9,661,036.20 = 2,652,914.80/x
  3. Step 3: Cross multiply
    6,440,690.80x = 9,661,036.20 × 2,652,914.80
  4. Step 4: Simplify right side
    6,440,690.80x = 25,629,905,918,315.76
  5. Step 5: Solve for x
    x = 25,629,905,918,315.76/6,440,690.80
  6. Step 6: Final answer
    x = 3,979,372.20

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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.