Home / 2,239,836.80-3,360,532.80-978,051.20

Finding the Fourth Proportional to 2,239,836.80, 3,360,532.80 and 978,051.20

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Solution

The fourth proportional to 2,239,836.80, 3,360,532.80 and 978,051.20 is: 1,467,416.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239,836.80 : 3,360,532.80 = 978,051.20 : x
  2. Step 2: Convert to fraction form
    2,239,836.80/3,360,532.80 = 978,051.20/x
  3. Step 3: Cross multiply
    2,239,836.80x = 3,360,532.80 × 978,051.20
  4. Step 4: Simplify right side
    2,239,836.80x = 3,286,773,137,679.36
  5. Step 5: Solve for x
    x = 3,286,773,137,679.36/2,239,836.80
  6. Step 6: Final answer
    x = 1,467,416.35

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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.