Home / 1,948,834.73-2,920,723.94-867,809.05

Finding the Fourth Proportional to 1,948,834.73, 2,920,723.94 and 867,809.05

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Solution

The fourth proportional to 1,948,834.73, 2,920,723.94 and 867,809.05 is: 1,300,587.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948,834.73 : 2,920,723.94 = 867,809.05 : x
  2. Step 2: Convert to fraction form
    1,948,834.73/2,920,723.94 = 867,809.05/x
  3. Step 3: Cross multiply
    1,948,834.73x = 2,920,723.94 × 867,809.05
  4. Step 4: Simplify right side
    1,948,834.73x = 2,534,630,662,551.37
  5. Step 5: Solve for x
    x = 2,534,630,662,551.37/1,948,834.73
  6. Step 6: Final answer
    x = 1,300,587.79

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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.