Home / 2,112,475.44-2,915,217.54-1,145,605.44

Finding the Fourth Proportional to 2,112,475.44, 2,915,217.54 and 1,145,605.44

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Solution

The fourth proportional to 2,112,475.44, 2,915,217.54 and 1,145,605.44 is: 1,580,936.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,112,475.44 : 2,915,217.54 = 1,145,605.44 : x
  2. Step 2: Convert to fraction form
    2,112,475.44/2,915,217.54 = 1,145,605.44/x
  3. Step 3: Cross multiply
    2,112,475.44x = 2,915,217.54 × 1,145,605.44
  4. Step 4: Simplify right side
    2,112,475.44x = 3,339,689,072,607.42
  5. Step 5: Solve for x
    x = 3,339,689,072,607.42/2,112,475.44
  6. Step 6: Final answer
    x = 1,580,936.28

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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.