Home / 1,917,519.90-2,645,869.23-1,090,506.12

Finding the Fourth Proportional to 1,917,519.90, 2,645,869.23 and 1,090,506.12

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Solution

The fourth proportional to 1,917,519.90, 2,645,869.23 and 1,090,506.12 is: 1,504,723.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,519.90 : 2,645,869.23 = 1,090,506.12 : x
  2. Step 2: Convert to fraction form
    1,917,519.90/2,645,869.23 = 1,090,506.12/x
  3. Step 3: Cross multiply
    1,917,519.90x = 2,645,869.23 × 1,090,506.12
  4. Step 4: Simplify right side
    1,917,519.90x = 2,885,336,588,034.69
  5. Step 5: Solve for x
    x = 2,885,336,588,034.69/1,917,519.90
  6. Step 6: Final answer
    x = 1,504,723.15

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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.