Home / 1,625,871.28-2,438,289.96-1,519,730.50

Finding the Fourth Proportional to 1,625,871.28, 2,438,289.96 and 1,519,730.50

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Solution

The fourth proportional to 1,625,871.28, 2,438,289.96 and 1,519,730.50 is: 2,279,112.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625,871.28 : 2,438,289.96 = 1,519,730.50 : x
  2. Step 2: Convert to fraction form
    1,625,871.28/2,438,289.96 = 1,519,730.50/x
  3. Step 3: Cross multiply
    1,625,871.28x = 2,438,289.96 × 1,519,730.50
  4. Step 4: Simplify right side
    1,625,871.28x = 3,705,543,620,055.78
  5. Step 5: Solve for x
    x = 3,705,543,620,055.78/1,625,871.28
  6. Step 6: Final answer
    x = 2,279,112.54

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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.