Home / 4,483,042.71-6,723,842.28-1,287,442.05

Finding the Fourth Proportional to 4,483,042.71, 6,723,842.28 and 1,287,442.05

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Solution

The fourth proportional to 4,483,042.71, 6,723,842.28 and 1,287,442.05 is: 1,930,955.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,483,042.71 : 6,723,842.28 = 1,287,442.05 : x
  2. Step 2: Convert to fraction form
    4,483,042.71/6,723,842.28 = 1,287,442.05/x
  3. Step 3: Cross multiply
    4,483,042.71x = 6,723,842.28 × 1,287,442.05
  4. Step 4: Simplify right side
    4,483,042.71x = 8,656,557,288,839.88
  5. Step 5: Solve for x
    x = 8,656,557,288,839.88/4,483,042.71
  6. Step 6: Final answer
    x = 1,930,955.79

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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.