Home / 3,019,689-4,167,199.98-1,661,591.16

Finding the Fourth Proportional to 3,019,689, 4,167,199.98 and 1,661,591.16

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Solution

The fourth proportional to 3,019,689, 4,167,199.98 and 1,661,591.16 is: 2,293,011.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,019,689 : 4,167,199.98 = 1,661,591.16 : x
  2. Step 2: Convert to fraction form
    3,019,689/4,167,199.98 = 1,661,591.16/x
  3. Step 3: Cross multiply
    3,019,689x = 4,167,199.98 × 1,661,591.16
  4. Step 4: Simplify right side
    3,019,689x = 6,924,182,648,720.18
  5. Step 5: Solve for x
    x = 6,924,182,648,720.18/3,019,689
  6. Step 6: Final answer
    x = 2,293,011.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.