Home / 5,131,473.28-7,081,435.88-2,808,364.44

Finding the Fourth Proportional to 5,131,473.28, 7,081,435.88 and 2,808,364.44

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Solution

The fourth proportional to 5,131,473.28, 7,081,435.88 and 2,808,364.44 is: 3,875,544.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,131,473.28 : 7,081,435.88 = 2,808,364.44 : x
  2. Step 2: Convert to fraction form
    5,131,473.28/7,081,435.88 = 2,808,364.44/x
  3. Step 3: Cross multiply
    5,131,473.28x = 7,081,435.88 × 2,808,364.44
  4. Step 4: Simplify right side
    5,131,473.28x = 19,887,252,709,532.11
  5. Step 5: Solve for x
    x = 19,887,252,709,532.11/5,131,473.28
  6. Step 6: Final answer
    x = 3,875,544.43

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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.