Home / 2,912,917.52-4,371,357.72-1,787,551.76

Finding the Fourth Proportional to 2,912,917.52, 4,371,357.72 and 1,787,551.76

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Solution

The fourth proportional to 2,912,917.52, 4,371,357.72 and 1,787,551.76 is: 2,682,543.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,917.52 : 4,371,357.72 = 1,787,551.76 : x
  2. Step 2: Convert to fraction form
    2,912,917.52/4,371,357.72 = 1,787,551.76/x
  3. Step 3: Cross multiply
    2,912,917.52x = 4,371,357.72 × 1,787,551.76
  4. Step 4: Simplify right side
    2,912,917.52x = 7,814,028,185,975.59
  5. Step 5: Solve for x
    x = 7,814,028,185,975.59/2,912,917.52
  6. Step 6: Final answer
    x = 2,682,543.58

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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.