Home / 6,140,981.80-9,211,386.30-2,775,183.40

Finding the Fourth Proportional to 6,140,981.80, 9,211,386.30 and 2,775,183.40

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Solution

The fourth proportional to 6,140,981.80, 9,211,386.30 and 2,775,183.40 is: 4,162,736.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,140,981.80 : 9,211,386.30 = 2,775,183.40 : x
  2. Step 2: Convert to fraction form
    6,140,981.80/9,211,386.30 = 2,775,183.40/x
  3. Step 3: Cross multiply
    6,140,981.80x = 9,211,386.30 × 2,775,183.40
  4. Step 4: Simplify right side
    6,140,981.80x = 25,563,286,350,747.42
  5. Step 5: Solve for x
    x = 25,563,286,350,747.42/6,140,981.80
  6. Step 6: Final answer
    x = 4,162,736.05

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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.