Home / 2,874,665.60-4,311,998.40-981,123.20

Finding the Fourth Proportional to 2,874,665.60, 4,311,998.40 and 981,123.20

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Solution

The fourth proportional to 2,874,665.60, 4,311,998.40 and 981,123.20 is: 1,471,684.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,874,665.60 : 4,311,998.40 = 981,123.20 : x
  2. Step 2: Convert to fraction form
    2,874,665.60/4,311,998.40 = 981,123.20/x
  3. Step 3: Cross multiply
    2,874,665.60x = 4,311,998.40 × 981,123.20
  4. Step 4: Simplify right side
    2,874,665.60x = 4,230,601,668,602.88
  5. Step 5: Solve for x
    x = 4,230,601,668,602.88/2,874,665.60
  6. Step 6: Final answer
    x = 1,471,684.80

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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.