Home / 2,102,462.60-3,150,065.10-978,225.80

Finding the Fourth Proportional to 2,102,462.60, 3,150,065.10 and 978,225.80

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Solution

The fourth proportional to 2,102,462.60, 3,150,065.10 and 978,225.80 is: 1,465,650.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,102,462.60 : 3,150,065.10 = 978,225.80 : x
  2. Step 2: Convert to fraction form
    2,102,462.60/3,150,065.10 = 978,225.80/x
  3. Step 3: Cross multiply
    2,102,462.60x = 3,150,065.10 × 978,225.80
  4. Step 4: Simplify right side
    2,102,462.60x = 3,081,474,952,499.58
  5. Step 5: Solve for x
    x = 3,081,474,952,499.58/2,102,462.60
  6. Step 6: Final answer
    x = 1,465,650.31

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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.