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Finding the Fourth Proportional to 3,766,856.84, 5,649,679.90 and 1,033,765.68

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Solution

The fourth proportional to 3,766,856.84, 5,649,679.90 and 1,033,765.68 is: 1,550,482.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,766,856.84 : 5,649,679.90 = 1,033,765.68 : x
  2. Step 2: Convert to fraction form
    3,766,856.84/5,649,679.90 = 1,033,765.68/x
  3. Step 3: Cross multiply
    3,766,856.84x = 5,649,679.90 × 1,033,765.68
  4. Step 4: Simplify right side
    3,766,856.84x = 5,840,445,183,605.83
  5. Step 5: Solve for x
    x = 5,840,445,183,605.83/3,766,856.84
  6. Step 6: Final answer
    x = 1,550,482.39

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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.