Home / 3,121,013.80-4,685,019.90-2,414,175.40

Finding the Fourth Proportional to 3,121,013.80, 4,685,019.90 and 2,414,175.40

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Solution

The fourth proportional to 3,121,013.80, 4,685,019.90 and 2,414,175.40 is: 3,623,969.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121,013.80 : 4,685,019.90 = 2,414,175.40 : x
  2. Step 2: Convert to fraction form
    3,121,013.80/4,685,019.90 = 2,414,175.40/x
  3. Step 3: Cross multiply
    3,121,013.80x = 4,685,019.90 × 2,414,175.40
  4. Step 4: Simplify right side
    3,121,013.80x = 11,310,459,791,090.46
  5. Step 5: Solve for x
    x = 11,310,459,791,090.46/3,121,013.80
  6. Step 6: Final answer
    x = 3,623,969.81

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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.