Home / 4,431,287.20-6,646,930.80-1,591,837.60

Finding the Fourth Proportional to 4,431,287.20, 6,646,930.80 and 1,591,837.60

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Solution

The fourth proportional to 4,431,287.20, 6,646,930.80 and 1,591,837.60 is: 2,387,756.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,431,287.20 : 6,646,930.80 = 1,591,837.60 : x
  2. Step 2: Convert to fraction form
    4,431,287.20/6,646,930.80 = 1,591,837.60/x
  3. Step 3: Cross multiply
    4,431,287.20x = 6,646,930.80 × 1,591,837.60
  4. Step 4: Simplify right side
    4,431,287.20x = 10,580,834,372,038.08
  5. Step 5: Solve for x
    x = 10,580,834,372,038.08/4,431,287.20
  6. Step 6: Final answer
    x = 2,387,756.40

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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.