Home / 1,989,534.48-2,981,789.10-850,943.40

Finding the Fourth Proportional to 1,989,534.48, 2,981,789.10 and 850,943.40

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Solution

The fourth proportional to 1,989,534.48, 2,981,789.10 and 850,943.40 is: 1,275,340.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,534.48 : 2,981,789.10 = 850,943.40 : x
  2. Step 2: Convert to fraction form
    1,989,534.48/2,981,789.10 = 850,943.40/x
  3. Step 3: Cross multiply
    1,989,534.48x = 2,981,789.10 × 850,943.40
  4. Step 4: Simplify right side
    1,989,534.48x = 2,537,333,754,836.94
  5. Step 5: Solve for x
    x = 2,537,333,754,836.94/1,989,534.48
  6. Step 6: Final answer
    x = 1,275,340.43

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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.