Home / 3,165,515.64-4,748,230.89-769,353.36

Finding the Fourth Proportional to 3,165,515.64, 4,748,230.89 and 769,353.36

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Solution

The fourth proportional to 3,165,515.64, 4,748,230.89 and 769,353.36 is: 1,154,019.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165,515.64 : 4,748,230.89 = 769,353.36 : x
  2. Step 2: Convert to fraction form
    3,165,515.64/4,748,230.89 = 769,353.36/x
  3. Step 3: Cross multiply
    3,165,515.64x = 4,748,230.89 × 769,353.36
  4. Step 4: Simplify right side
    3,165,515.64x = 3,653,067,389,277.29
  5. Step 5: Solve for x
    x = 3,653,067,389,277.29/3,165,515.64
  6. Step 6: Final answer
    x = 1,154,019.69

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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.