Home / 2,500,189.92-3,750,459.84-1,237,678.56

Finding the Fourth Proportional to 2,500,189.92, 3,750,459.84 and 1,237,678.56

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Solution

The fourth proportional to 2,500,189.92, 3,750,459.84 and 1,237,678.56 is: 1,856,604.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,500,189.92 : 3,750,459.84 = 1,237,678.56 : x
  2. Step 2: Convert to fraction form
    2,500,189.92/3,750,459.84 = 1,237,678.56/x
  3. Step 3: Cross multiply
    2,500,189.92x = 3,750,459.84 × 1,237,678.56
  4. Step 4: Simplify right side
    2,500,189.92x = 4,641,863,734,109.03
  5. Step 5: Solve for x
    x = 4,641,863,734,109.03/2,500,189.92
  6. Step 6: Final answer
    x = 1,856,604.45

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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.