Home / 3,015,637.20-4,523,455.80-771,775.20

Finding the Fourth Proportional to 3,015,637.20, 4,523,455.80 and 771,775.20

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Solution

The fourth proportional to 3,015,637.20, 4,523,455.80 and 771,775.20 is: 1,157,662.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015,637.20 : 4,523,455.80 = 771,775.20 : x
  2. Step 2: Convert to fraction form
    3,015,637.20/4,523,455.80 = 771,775.20/x
  3. Step 3: Cross multiply
    3,015,637.20x = 4,523,455.80 × 771,775.20
  4. Step 4: Simplify right side
    3,015,637.20x = 3,491,091,004,736.16
  5. Step 5: Solve for x
    x = 3,491,091,004,736.16/3,015,637.20
  6. Step 6: Final answer
    x = 1,157,662.80

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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.