Home / 3,178,247.60-4,765,621.80-1,047,234.80

Finding the Fourth Proportional to 3,178,247.60, 4,765,621.80 and 1,047,234.80

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Solution

The fourth proportional to 3,178,247.60, 4,765,621.80 and 1,047,234.80 is: 1,570,275.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,247.60 : 4,765,621.80 = 1,047,234.80 : x
  2. Step 2: Convert to fraction form
    3,178,247.60/4,765,621.80 = 1,047,234.80/x
  3. Step 3: Cross multiply
    3,178,247.60x = 4,765,621.80 × 1,047,234.80
  4. Step 4: Simplify right side
    3,178,247.60x = 4,990,724,992,598.64
  5. Step 5: Solve for x
    x = 4,990,724,992,598.64/3,178,247.60
  6. Step 6: Final answer
    x = 1,570,275.71

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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.