Home / 1,855,971.20-2,561,118.96-1,091,877.12

Finding the Fourth Proportional to 1,855,971.20, 2,561,118.96 and 1,091,877.12

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Solution

The fourth proportional to 1,855,971.20, 2,561,118.96 and 1,091,877.12 is: 1,506,719.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,855,971.20 : 2,561,118.96 = 1,091,877.12 : x
  2. Step 2: Convert to fraction form
    1,855,971.20/2,561,118.96 = 1,091,877.12/x
  3. Step 3: Cross multiply
    1,855,971.20x = 2,561,118.96 × 1,091,877.12
  4. Step 4: Simplify right side
    1,855,971.20x = 2,796,427,194,022.20
  5. Step 5: Solve for x
    x = 2,796,427,194,022.20/1,855,971.20
  6. Step 6: Final answer
    x = 1,506,719.07

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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.