Home / 2,135,990.34-2,947,661.71-1,169,112.17

Finding the Fourth Proportional to 2,135,990.34, 2,947,661.71 and 1,169,112.17

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Solution

The fourth proportional to 2,135,990.34, 2,947,661.71 and 1,169,112.17 is: 1,613,372.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135,990.34 : 2,947,661.71 = 1,169,112.17 : x
  2. Step 2: Convert to fraction form
    2,135,990.34/2,947,661.71 = 1,169,112.17/x
  3. Step 3: Cross multiply
    2,135,990.34x = 2,947,661.71 × 1,169,112.17
  4. Step 4: Simplify right side
    2,135,990.34x = 3,446,147,178,204.01
  5. Step 5: Solve for x
    x = 3,446,147,178,204.01/2,135,990.34
  6. Step 6: Final answer
    x = 1,613,372.08

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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.