Home / 1,900,891.64-2,623,302.78-1,085,228.12

Finding the Fourth Proportional to 1,900,891.64, 2,623,302.78 and 1,085,228.12

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Solution

The fourth proportional to 1,900,891.64, 2,623,302.78 and 1,085,228.12 is: 1,497,656.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900,891.64 : 2,623,302.78 = 1,085,228.12 : x
  2. Step 2: Convert to fraction form
    1,900,891.64/2,623,302.78 = 1,085,228.12/x
  3. Step 3: Cross multiply
    1,900,891.64x = 2,623,302.78 × 1,085,228.12
  4. Step 4: Simplify right side
    1,900,891.64x = 2,846,881,944,130.17
  5. Step 5: Solve for x
    x = 2,846,881,944,130.17/1,900,891.64
  6. Step 6: Final answer
    x = 1,497,656.09

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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.