Home / 1,855,473.12-2,560,580.16-1,081,087.20

Finding the Fourth Proportional to 1,855,473.12, 2,560,580.16 and 1,081,087.20

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Solution

The fourth proportional to 1,855,473.12, 2,560,580.16 and 1,081,087.20 is: 1,491,916.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,855,473.12 : 2,560,580.16 = 1,081,087.20 : x
  2. Step 2: Convert to fraction form
    1,855,473.12/2,560,580.16 = 1,081,087.20/x
  3. Step 3: Cross multiply
    1,855,473.12x = 2,560,580.16 × 1,081,087.20
  4. Step 4: Simplify right side
    1,855,473.12x = 2,768,210,435,549.95
  5. Step 5: Solve for x
    x = 2,768,210,435,549.95/1,855,473.12
  6. Step 6: Final answer
    x = 1,491,916.22

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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.