Home / 2,421,152.60-3,630,854.10-981,231.80

Finding the Fourth Proportional to 2,421,152.60, 3,630,854.10 and 981,231.80

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Solution

The fourth proportional to 2,421,152.60, 3,630,854.10 and 981,231.80 is: 1,471,493.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,421,152.60 : 3,630,854.10 = 981,231.80 : x
  2. Step 2: Convert to fraction form
    2,421,152.60/3,630,854.10 = 981,231.80/x
  3. Step 3: Cross multiply
    2,421,152.60x = 3,630,854.10 × 981,231.80
  4. Step 4: Simplify right side
    2,421,152.60x = 3,562,709,504,080.38
  5. Step 5: Solve for x
    x = 3,562,709,504,080.38/2,421,152.60
  6. Step 6: Final answer
    x = 1,471,493.17

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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.