Home / 2,621,173.92-3,928,436.16-1,180,320

Finding the Fourth Proportional to 2,621,173.92, 3,928,436.16 and 1,180,320

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Solution

The fourth proportional to 2,621,173.92, 3,928,436.16 and 1,180,320 is: 1,768,982.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,621,173.92 : 3,928,436.16 = 1,180,320 : x
  2. Step 2: Convert to fraction form
    2,621,173.92/3,928,436.16 = 1,180,320/x
  3. Step 3: Cross multiply
    2,621,173.92x = 3,928,436.16 × 1,180,320
  4. Step 4: Simplify right side
    2,621,173.92x = 4,636,811,768,371.20
  5. Step 5: Solve for x
    x = 4,636,811,768,371.20/2,621,173.92
  6. Step 6: Final answer
    x = 1,768,982.87

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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.