Home / 2,645,107.64-3,643,769.58-1,917,818.36

Finding the Fourth Proportional to 2,645,107.64, 3,643,769.58 and 1,917,818.36

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Solution

The fourth proportional to 2,645,107.64, 3,643,769.58 and 1,917,818.36 is: 2,641,891.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,645,107.64 : 3,643,769.58 = 1,917,818.36 : x
  2. Step 2: Convert to fraction form
    2,645,107.64/3,643,769.58 = 1,917,818.36/x
  3. Step 3: Cross multiply
    2,645,107.64x = 3,643,769.58 × 1,917,818.36
  4. Step 4: Simplify right side
    2,645,107.64x = 6,988,088,200,133.49
  5. Step 5: Solve for x
    x = 6,988,088,200,133.49/2,645,107.64
  6. Step 6: Final answer
    x = 2,641,891.81

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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.