Home / 2,468,221.49-3,406,120.46-1,380,490.47

Finding the Fourth Proportional to 2,468,221.49, 3,406,120.46 and 1,380,490.47

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Solution

The fourth proportional to 2,468,221.49, 3,406,120.46 and 1,380,490.47 is: 1,905,062.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,468,221.49 : 3,406,120.46 = 1,380,490.47 : x
  2. Step 2: Convert to fraction form
    2,468,221.49/3,406,120.46 = 1,380,490.47/x
  3. Step 3: Cross multiply
    2,468,221.49x = 3,406,120.46 × 1,380,490.47
  4. Step 4: Simplify right side
    2,468,221.49x = 4,702,116,810,768.96
  5. Step 5: Solve for x
    x = 4,702,116,810,768.96/2,468,221.49
  6. Step 6: Final answer
    x = 1,905,062.75

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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.