Home / 3,210,074.55-4,812,097.41-1,078,668.09

Finding the Fourth Proportional to 3,210,074.55, 4,812,097.41 and 1,078,668.09

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Solution

The fourth proportional to 3,210,074.55, 4,812,097.41 and 1,078,668.09 is: 1,616,989.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210,074.55 : 4,812,097.41 = 1,078,668.09 : x
  2. Step 2: Convert to fraction form
    3,210,074.55/4,812,097.41 = 1,078,668.09/x
  3. Step 3: Cross multiply
    3,210,074.55x = 4,812,097.41 × 1,078,668.09
  4. Step 4: Simplify right side
    3,210,074.55x = 5,190,655,922,138.65
  5. Step 5: Solve for x
    x = 5,190,655,922,138.65/3,210,074.55
  6. Step 6: Final answer
    x = 1,616,989.21

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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.