Home / 1,912,698.05-2,639,322.59-1,085,508.18

Finding the Fourth Proportional to 1,912,698.05, 2,639,322.59 and 1,085,508.18

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Solution

The fourth proportional to 1,912,698.05, 2,639,322.59 and 1,085,508.18 is: 1,497,887.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,698.05 : 2,639,322.59 = 1,085,508.18 : x
  2. Step 2: Convert to fraction form
    1,912,698.05/2,639,322.59 = 1,085,508.18/x
  3. Step 3: Cross multiply
    1,912,698.05x = 2,639,322.59 × 1,085,508.18
  4. Step 4: Simplify right side
    1,912,698.05x = 2,865,006,261,103.79
  5. Step 5: Solve for x
    x = 2,865,006,261,103.79/1,912,698.05
  6. Step 6: Final answer
    x = 1,497,887.37

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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.