Home / 3,946,151.20-5,919,226.80-1,421,888.80

Finding the Fourth Proportional to 3,946,151.20, 5,919,226.80 and 1,421,888.80

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Solution

The fourth proportional to 3,946,151.20, 5,919,226.80 and 1,421,888.80 is: 2,132,833.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,946,151.20 : 5,919,226.80 = 1,421,888.80 : x
  2. Step 2: Convert to fraction form
    3,946,151.20/5,919,226.80 = 1,421,888.80/x
  3. Step 3: Cross multiply
    3,946,151.20x = 5,919,226.80 × 1,421,888.80
  4. Step 4: Simplify right side
    3,946,151.20x = 8,416,482,291,579.84
  5. Step 5: Solve for x
    x = 8,416,482,291,579.84/3,946,151.20
  6. Step 6: Final answer
    x = 2,132,833.20

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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.