Home / 1,791,557.20-2,684,677.56-1,315,917.52

Finding the Fourth Proportional to 1,791,557.20, 2,684,677.56 and 1,315,917.52

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Solution

The fourth proportional to 1,791,557.20, 2,684,677.56 and 1,315,917.52 is: 1,971,923.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791,557.20 : 2,684,677.56 = 1,315,917.52 : x
  2. Step 2: Convert to fraction form
    1,791,557.20/2,684,677.56 = 1,315,917.52/x
  3. Step 3: Cross multiply
    1,791,557.20x = 2,684,677.56 × 1,315,917.52
  4. Step 4: Simplify right side
    1,791,557.20x = 3,532,814,236,754.85
  5. Step 5: Solve for x
    x = 3,532,814,236,754.85/1,791,557.20
  6. Step 6: Final answer
    x = 1,971,923.77

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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.