Home / 5,339,216.69-7,368,074.39-2,891,770.91

Finding the Fourth Proportional to 5,339,216.69, 7,368,074.39 and 2,891,770.91

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Solution

The fourth proportional to 5,339,216.69, 7,368,074.39 and 2,891,770.91 is: 3,990,619.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,339,216.69 : 7,368,074.39 = 2,891,770.91 : x
  2. Step 2: Convert to fraction form
    5,339,216.69/7,368,074.39 = 2,891,770.91/x
  3. Step 3: Cross multiply
    5,339,216.69x = 7,368,074.39 × 2,891,770.91
  4. Step 4: Simplify right side
    5,339,216.69x = 21,306,783,169,259.14
  5. Step 5: Solve for x
    x = 21,306,783,169,259.14/5,339,216.69
  6. Step 6: Final answer
    x = 3,990,619.67

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1.5x scale

Why These Related Problems?

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