Home / 2,019,031.20-3,029,713.20-756,986.40

Finding the Fourth Proportional to 2,019,031.20, 3,029,713.20 and 756,986.40

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Solution

The fourth proportional to 2,019,031.20, 3,029,713.20 and 756,986.40 is: 1,135,916.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019,031.20 : 3,029,713.20 = 756,986.40 : x
  2. Step 2: Convert to fraction form
    2,019,031.20/3,029,713.20 = 756,986.40/x
  3. Step 3: Cross multiply
    2,019,031.20x = 3,029,713.20 × 756,986.40
  4. Step 4: Simplify right side
    2,019,031.20x = 2,293,451,688,300.48
  5. Step 5: Solve for x
    x = 2,293,451,688,300.48/2,019,031.20
  6. Step 6: Final answer
    x = 1,135,916.91

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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.