Home / 2,019,117.80-3,028,676.70-756,781.40

Finding the Fourth Proportional to 2,019,117.80, 3,028,676.70 and 756,781.40

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Solution

The fourth proportional to 2,019,117.80, 3,028,676.70 and 756,781.40 is: 1,135,172.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019,117.80 : 3,028,676.70 = 756,781.40 : x
  2. Step 2: Convert to fraction form
    2,019,117.80/3,028,676.70 = 756,781.40/x
  3. Step 3: Cross multiply
    2,019,117.80x = 3,028,676.70 × 756,781.40
  4. Step 4: Simplify right side
    2,019,117.80x = 2,292,046,193,173.38
  5. Step 5: Solve for x
    x = 2,292,046,193,173.38/2,019,117.80
  6. Step 6: Final answer
    x = 1,135,172.10

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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.