Home / 3,380,147.71-5,066,809.84-2,118,861.07

Finding the Fourth Proportional to 3,380,147.71, 5,066,809.84 and 2,118,861.07

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Solution

The fourth proportional to 3,380,147.71, 5,066,809.84 and 2,118,861.07 is: 3,176,152.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,380,147.71 : 5,066,809.84 = 2,118,861.07 : x
  2. Step 2: Convert to fraction form
    3,380,147.71/5,066,809.84 = 2,118,861.07/x
  3. Step 3: Cross multiply
    3,380,147.71x = 5,066,809.84 × 2,118,861.07
  4. Step 4: Simplify right side
    3,380,147.71x = 10,735,866,119,068.93
  5. Step 5: Solve for x
    x = 10,735,866,119,068.93/3,380,147.71
  6. Step 6: Final answer
    x = 3,176,152.95

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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.