Home / 2,239,483.40-3,360,002.70-978,216.20

Finding the Fourth Proportional to 2,239,483.40, 3,360,002.70 and 978,216.20

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Solution

The fourth proportional to 2,239,483.40, 3,360,002.70 and 978,216.20 is: 1,467,663.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239,483.40 : 3,360,002.70 = 978,216.20 : x
  2. Step 2: Convert to fraction form
    2,239,483.40/3,360,002.70 = 978,216.20/x
  3. Step 3: Cross multiply
    2,239,483.40x = 3,360,002.70 × 978,216.20
  4. Step 4: Simplify right side
    2,239,483.40x = 3,286,809,073,183.74
  5. Step 5: Solve for x
    x = 3,286,809,073,183.74/2,239,483.40
  6. Step 6: Final answer
    x = 1,467,663.96

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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.