Home / 5,609,838.88-8,409,431.28-1,820,671.84

Finding the Fourth Proportional to 5,609,838.88, 8,409,431.28 and 1,820,671.84

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Solution

The fourth proportional to 5,609,838.88, 8,409,431.28 and 1,820,671.84 is: 2,729,278.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,609,838.88 : 8,409,431.28 = 1,820,671.84 : x
  2. Step 2: Convert to fraction form
    5,609,838.88/8,409,431.28 = 1,820,671.84/x
  3. Step 3: Cross multiply
    5,609,838.88x = 8,409,431.28 × 1,820,671.84
  4. Step 4: Simplify right side
    5,609,838.88x = 15,310,814,721,911.15
  5. Step 5: Solve for x
    x = 15,310,814,721,911.15/5,609,838.88
  6. Step 6: Final answer
    x = 2,729,278.87

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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.