Home / 4,788,489.60-7,173,403.20-2,889,590.40

Finding the Fourth Proportional to 4,788,489.60, 7,173,403.20 and 2,889,590.40

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Solution

The fourth proportional to 4,788,489.60, 7,173,403.20 and 2,889,590.40 is: 4,328,754.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,788,489.60 : 7,173,403.20 = 2,889,590.40 : x
  2. Step 2: Convert to fraction form
    4,788,489.60/7,173,403.20 = 2,889,590.40/x
  3. Step 3: Cross multiply
    4,788,489.60x = 7,173,403.20 × 2,889,590.40
  4. Step 4: Simplify right side
    4,788,489.60x = 20,728,197,022,049.28
  5. Step 5: Solve for x
    x = 20,728,197,022,049.28/4,788,489.60
  6. Step 6: Final answer
    x = 4,328,754.73

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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.