Home / 2,015,771.40-2,781,764.64-1,110,353.40

Finding the Fourth Proportional to 2,015,771.40, 2,781,764.64 and 1,110,353.40

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Solution

The fourth proportional to 2,015,771.40, 2,781,764.64 and 1,110,353.40 is: 1,532,287.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015,771.40 : 2,781,764.64 = 1,110,353.40 : x
  2. Step 2: Convert to fraction form
    2,015,771.40/2,781,764.64 = 1,110,353.40/x
  3. Step 3: Cross multiply
    2,015,771.40x = 2,781,764.64 × 1,110,353.40
  4. Step 4: Simplify right side
    2,015,771.40x = 3,088,741,826,023.78
  5. Step 5: Solve for x
    x = 3,088,741,826,023.78/2,015,771.40
  6. Step 6: Final answer
    x = 1,532,287.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.