Home / 2,990,206.09-4,131,882.16-2,129,271.67

Finding the Fourth Proportional to 2,990,206.09, 4,131,882.16 and 2,129,271.67

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Solution

The fourth proportional to 2,990,206.09, 4,131,882.16 and 2,129,271.67 is: 2,942,238.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990,206.09 : 4,131,882.16 = 2,129,271.67 : x
  2. Step 2: Convert to fraction form
    2,990,206.09/4,131,882.16 = 2,129,271.67/x
  3. Step 3: Cross multiply
    2,990,206.09x = 4,131,882.16 × 2,129,271.67
  4. Step 4: Simplify right side
    2,990,206.09x = 8,797,899,626,908.08
  5. Step 5: Solve for x
    x = 8,797,899,626,908.08/2,990,206.09
  6. Step 6: Final answer
    x = 2,942,238.55

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