Home / 2,299,296.10-3,172,876.81-1,380,979.58

Finding the Fourth Proportional to 2,299,296.10, 3,172,876.81 and 1,380,979.58

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Solution

The fourth proportional to 2,299,296.10, 3,172,876.81 and 1,380,979.58 is: 1,905,660.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,299,296.10 : 3,172,876.81 = 1,380,979.58 : x
  2. Step 2: Convert to fraction form
    2,299,296.10/3,172,876.81 = 1,380,979.58/x
  3. Step 3: Cross multiply
    2,299,296.10x = 3,172,876.81 × 1,380,979.58
  4. Step 4: Simplify right side
    2,299,296.10x = 4,381,678,084,465.54
  5. Step 5: Solve for x
    x = 4,381,678,084,465.54/2,299,296.10
  6. Step 6: Final answer
    x = 1,905,660.64

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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.