Home / 1,857,176.33-2,563,965.16-1,420,789.64

Finding the Fourth Proportional to 1,857,176.33, 2,563,965.16 and 1,420,789.64

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Solution

The fourth proportional to 1,857,176.33, 2,563,965.16 and 1,420,789.64 is: 1,961,502.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857,176.33 : 2,563,965.16 = 1,420,789.64 : x
  2. Step 2: Convert to fraction form
    1,857,176.33/2,563,965.16 = 1,420,789.64/x
  3. Step 3: Cross multiply
    1,857,176.33x = 2,563,965.16 × 1,420,789.64
  4. Step 4: Simplify right side
    1,857,176.33x = 3,642,855,120,277.14
  5. Step 5: Solve for x
    x = 3,642,855,120,277.14/1,857,176.33
  6. Step 6: Final answer
    x = 1,961,502.02

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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.