Home / 5,426,412.20-8,139,618.30-4,170,578.60

Finding the Fourth Proportional to 5,426,412.20, 8,139,618.30 and 4,170,578.60

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Solution

The fourth proportional to 5,426,412.20, 8,139,618.30 and 4,170,578.60 is: 6,255,867.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426,412.20 : 8,139,618.30 = 4,170,578.60 : x
  2. Step 2: Convert to fraction form
    5,426,412.20/8,139,618.30 = 4,170,578.60/x
  3. Step 3: Cross multiply
    5,426,412.20x = 8,139,618.30 × 4,170,578.60
  4. Step 4: Simplify right side
    5,426,412.20x = 33,946,917,894,148.38
  5. Step 5: Solve for x
    x = 33,946,917,894,148.38/5,426,412.20
  6. Step 6: Final answer
    x = 6,255,867.90

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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.