Home / 2,112,374.46-2,915,077.53-1,145,504.49

Finding the Fourth Proportional to 2,112,374.46, 2,915,077.53 and 1,145,504.49

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Solution

The fourth proportional to 2,112,374.46, 2,915,077.53 and 1,145,504.49 is: 1,580,796.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,112,374.46 : 2,915,077.53 = 1,145,504.49 : x
  2. Step 2: Convert to fraction form
    2,112,374.46/2,915,077.53 = 1,145,504.49/x
  3. Step 3: Cross multiply
    2,112,374.46x = 2,915,077.53 × 1,145,504.49
  4. Step 4: Simplify right side
    2,112,374.46x = 3,339,234,399,313.11
  5. Step 5: Solve for x
    x = 3,339,234,399,313.11/2,112,374.46
  6. Step 6: Final answer
    x = 1,580,796.62

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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.