Home / 3,886,856.20-5,828,534.70-1,489,904.20

Finding the Fourth Proportional to 3,886,856.20, 5,828,534.70 and 1,489,904.20

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Solution

The fourth proportional to 3,886,856.20, 5,828,534.70 and 1,489,904.20 is: 2,234,185.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886,856.20 : 5,828,534.70 = 1,489,904.20 : x
  2. Step 2: Convert to fraction form
    3,886,856.20/5,828,534.70 = 1,489,904.20/x
  3. Step 3: Cross multiply
    3,886,856.20x = 5,828,534.70 × 1,489,904.20
  4. Step 4: Simplify right side
    3,886,856.20x = 8,683,958,329,375.74
  5. Step 5: Solve for x
    x = 8,683,958,329,375.74/3,886,856.20
  6. Step 6: Final answer
    x = 2,234,185.65

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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.