Home / 3,138,908.04-4,708,329.12-2,078,693.64

Finding the Fourth Proportional to 3,138,908.04, 4,708,329.12 and 2,078,693.64

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Solution

The fourth proportional to 3,138,908.04, 4,708,329.12 and 2,078,693.64 is: 3,118,018.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,908.04 : 4,708,329.12 = 2,078,693.64 : x
  2. Step 2: Convert to fraction form
    3,138,908.04/4,708,329.12 = 2,078,693.64/x
  3. Step 3: Cross multiply
    3,138,908.04x = 4,708,329.12 × 2,078,693.64
  4. Step 4: Simplify right side
    3,138,908.04x = 9,787,173,796,770.80
  5. Step 5: Solve for x
    x = 9,787,173,796,770.80/3,138,908.04
  6. Step 6: Final answer
    x = 3,118,018.65

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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.