Home / 3,986,905.80-5,976,276.30-1,962,035.40

Finding the Fourth Proportional to 3,986,905.80, 5,976,276.30 and 1,962,035.40

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Solution

The fourth proportional to 3,986,905.80, 5,976,276.30 and 1,962,035.40 is: 2,941,044.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986,905.80 : 5,976,276.30 = 1,962,035.40 : x
  2. Step 2: Convert to fraction form
    3,986,905.80/5,976,276.30 = 1,962,035.40/x
  3. Step 3: Cross multiply
    3,986,905.80x = 5,976,276.30 × 1,962,035.40
  4. Step 4: Simplify right side
    3,986,905.80x = 11,725,665,660,781.02
  5. Step 5: Solve for x
    x = 11,725,665,660,781.02/3,986,905.80
  6. Step 6: Final answer
    x = 2,941,044.07

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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.