Home / 2,080,693.40-3,121,040.10-1,282,875.80

Finding the Fourth Proportional to 2,080,693.40, 3,121,040.10 and 1,282,875.80

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Solution

The fourth proportional to 2,080,693.40, 3,121,040.10 and 1,282,875.80 is: 1,924,313.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,693.40 : 3,121,040.10 = 1,282,875.80 : x
  2. Step 2: Convert to fraction form
    2,080,693.40/3,121,040.10 = 1,282,875.80/x
  3. Step 3: Cross multiply
    2,080,693.40x = 3,121,040.10 × 1,282,875.80
  4. Step 4: Simplify right side
    2,080,693.40x = 4,003,906,815,119.58
  5. Step 5: Solve for x
    x = 4,003,906,815,119.58/2,080,693.40
  6. Step 6: Final answer
    x = 1,924,313.70

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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.