Home / 5,162,805.20-7,744,207.80-2,637,621.20

Finding the Fourth Proportional to 5,162,805.20, 7,744,207.80 and 2,637,621.20

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Solution

The fourth proportional to 5,162,805.20, 7,744,207.80 and 2,637,621.20 is: 3,956,431.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,162,805.20 : 7,744,207.80 = 2,637,621.20 : x
  2. Step 2: Convert to fraction form
    5,162,805.20/7,744,207.80 = 2,637,621.20/x
  3. Step 3: Cross multiply
    5,162,805.20x = 7,744,207.80 × 2,637,621.20
  4. Step 4: Simplify right side
    5,162,805.20x = 20,426,286,670,485.36
  5. Step 5: Solve for x
    x = 20,426,286,670,485.36/5,162,805.20
  6. Step 6: Final answer
    x = 3,956,431.80

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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.