Home / 3,317,776.20-4,978,598.78-1,398,570.03

Finding the Fourth Proportional to 3,317,776.20, 4,978,598.78 and 1,398,570.03

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Solution

The fourth proportional to 3,317,776.20, 4,978,598.78 and 1,398,570.03 is: 2,098,670.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,317,776.20 : 4,978,598.78 = 1,398,570.03 : x
  2. Step 2: Convert to fraction form
    3,317,776.20/4,978,598.78 = 1,398,570.03/x
  3. Step 3: Cross multiply
    3,317,776.20x = 4,978,598.78 × 1,398,570.03
  4. Step 4: Simplify right side
    3,317,776.20x = 6,962,919,045,102.56
  5. Step 5: Solve for x
    x = 6,962,919,045,102.56/3,317,776.20
  6. Step 6: Final answer
    x = 2,098,670.50

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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.