Home / 1,995,133.20-2,990,950.20-1,196,732.40

Finding the Fourth Proportional to 1,995,133.20, 2,990,950.20 and 1,196,732.40

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Solution

The fourth proportional to 1,995,133.20, 2,990,950.20 and 1,196,732.40 is: 1,794,049.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995,133.20 : 2,990,950.20 = 1,196,732.40 : x
  2. Step 2: Convert to fraction form
    1,995,133.20/2,990,950.20 = 1,196,732.40/x
  3. Step 3: Cross multiply
    1,995,133.20x = 2,990,950.20 × 1,196,732.40
  4. Step 4: Simplify right side
    1,995,133.20x = 3,579,367,011,126.48
  5. Step 5: Solve for x
    x = 3,579,367,011,126.48/1,995,133.20
  6. Step 6: Final answer
    x = 1,794,049.14

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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.