Home / 2,872,150.80-4,308,226.20-981,027.60

Finding the Fourth Proportional to 2,872,150.80, 4,308,226.20 and 981,027.60

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Solution

The fourth proportional to 2,872,150.80, 4,308,226.20 and 981,027.60 is: 1,471,541.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872,150.80 : 4,308,226.20 = 981,027.60 : x
  2. Step 2: Convert to fraction form
    2,872,150.80/4,308,226.20 = 981,027.60/x
  3. Step 3: Cross multiply
    2,872,150.80x = 4,308,226.20 × 981,027.60
  4. Step 4: Simplify right side
    2,872,150.80x = 4,226,488,809,243.12
  5. Step 5: Solve for x
    x = 4,226,488,809,243.12/2,872,150.80
  6. Step 6: Final answer
    x = 1,471,541.40

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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.