Home / 1,906,805.80-2,857,875.90-840,716.20

Finding the Fourth Proportional to 1,906,805.80, 2,857,875.90 and 840,716.20

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Solution

The fourth proportional to 1,906,805.80, 2,857,875.90 and 840,716.20 is: 1,260,045.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,906,805.80 : 2,857,875.90 = 840,716.20 : x
  2. Step 2: Convert to fraction form
    1,906,805.80/2,857,875.90 = 840,716.20/x
  3. Step 3: Cross multiply
    1,906,805.80x = 2,857,875.90 × 840,716.20
  4. Step 4: Simplify right side
    1,906,805.80x = 2,402,662,566,719.58
  5. Step 5: Solve for x
    x = 2,402,662,566,719.58/1,906,805.80
  6. Step 6: Final answer
    x = 1,260,045.76

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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.