Home / 2,455,120.34-3,388,171.66-1,367,392.40

Finding the Fourth Proportional to 2,455,120.34, 3,388,171.66 and 1,367,392.40

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Solution

The fourth proportional to 2,455,120.34, 3,388,171.66 and 1,367,392.40 is: 1,887,060.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455,120.34 : 3,388,171.66 = 1,367,392.40 : x
  2. Step 2: Convert to fraction form
    2,455,120.34/3,388,171.66 = 1,367,392.40/x
  3. Step 3: Cross multiply
    2,455,120.34x = 3,388,171.66 × 1,367,392.40
  4. Step 4: Simplify right side
    2,455,120.34x = 4,632,960,170,942.42
  5. Step 5: Solve for x
    x = 4,632,960,170,942.42/2,455,120.34
  6. Step 6: Final answer
    x = 1,887,060.32

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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.