Home / 2,981,140.80-4,471,784.70-1,087,881.63

Finding the Fourth Proportional to 2,981,140.80, 4,471,784.70 and 1,087,881.63

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Solution

The fourth proportional to 2,981,140.80, 4,471,784.70 and 1,087,881.63 is: 1,631,849.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981,140.80 : 4,471,784.70 = 1,087,881.63 : x
  2. Step 2: Convert to fraction form
    2,981,140.80/4,471,784.70 = 1,087,881.63/x
  3. Step 3: Cross multiply
    2,981,140.80x = 4,471,784.70 × 1,087,881.63
  4. Step 4: Simplify right side
    2,981,140.80x = 4,864,772,428,445.06
  5. Step 5: Solve for x
    x = 4,864,772,428,445.06/2,981,140.80
  6. Step 6: Final answer
    x = 1,631,849.27

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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.