Home / 1,867,911.60-2,801,867.40-1,684,859.70

Finding the Fourth Proportional to 1,867,911.60, 2,801,867.40 and 1,684,859.70

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Solution

The fourth proportional to 1,867,911.60, 2,801,867.40 and 1,684,859.70 is: 2,527,289.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,867,911.60 : 2,801,867.40 = 1,684,859.70 : x
  2. Step 2: Convert to fraction form
    1,867,911.60/2,801,867.40 = 1,684,859.70/x
  3. Step 3: Cross multiply
    1,867,911.60x = 2,801,867.40 × 1,684,859.70
  4. Step 4: Simplify right side
    1,867,911.60x = 4,720,753,467,003.78
  5. Step 5: Solve for x
    x = 4,720,753,467,003.78/1,867,911.60
  6. Step 6: Final answer
    x = 2,527,289.55

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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.