Home / 2,981,036.80-4,471,628.70-1,087,777.62

Finding the Fourth Proportional to 2,981,036.80, 4,471,628.70 and 1,087,777.62

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Solution

The fourth proportional to 2,981,036.80, 4,471,628.70 and 1,087,777.62 is: 1,631,693.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981,036.80 : 4,471,628.70 = 1,087,777.62 : x
  2. Step 2: Convert to fraction form
    2,981,036.80/4,471,628.70 = 1,087,777.62/x
  3. Step 3: Cross multiply
    2,981,036.80x = 4,471,628.70 × 1,087,777.62
  4. Step 4: Simplify right side
    2,981,036.80x = 4,864,137,624,809.69
  5. Step 5: Solve for x
    x = 4,864,137,624,809.69/2,981,036.80
  6. Step 6: Final answer
    x = 1,631,693.25

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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.