Home / 2,112,376.73-2,915,080.65-1,145,506.75

Finding the Fourth Proportional to 2,112,376.73, 2,915,080.65 and 1,145,506.75

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Solution

The fourth proportional to 2,112,376.73, 2,915,080.65 and 1,145,506.75 is: 1,580,799.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,112,376.73 : 2,915,080.65 = 1,145,506.75 : x
  2. Step 2: Convert to fraction form
    2,112,376.73/2,915,080.65 = 1,145,506.75/x
  3. Step 3: Cross multiply
    2,112,376.73x = 2,915,080.65 × 1,145,506.75
  4. Step 4: Simplify right side
    2,112,376.73x = 3,339,244,554,081.69
  5. Step 5: Solve for x
    x = 3,339,244,554,081.69/2,112,376.73
  6. Step 6: Final answer
    x = 1,580,799.73

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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.