Home / 2,239,489.40-3,360,011.70-978,222.20

Finding the Fourth Proportional to 2,239,489.40, 3,360,011.70 and 978,222.20

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Solution

The fourth proportional to 2,239,489.40, 3,360,011.70 and 978,222.20 is: 1,467,672.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239,489.40 : 3,360,011.70 = 978,222.20 : x
  2. Step 2: Convert to fraction form
    2,239,489.40/3,360,011.70 = 978,222.20/x
  3. Step 3: Cross multiply
    2,239,489.40x = 3,360,011.70 × 978,222.20
  4. Step 4: Simplify right side
    2,239,489.40x = 3,286,838,037,199.74
  5. Step 5: Solve for x
    x = 3,286,838,037,199.74/2,239,489.40
  6. Step 6: Final answer
    x = 1,467,672.96

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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.