Home / 1,606,249.36-2,216,317.12-918,139.16

Finding the Fourth Proportional to 1,606,249.36, 2,216,317.12 and 918,139.16

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Solution

The fourth proportional to 1,606,249.36, 2,216,317.12 and 918,139.16 is: 1,266,856.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,606,249.36 : 2,216,317.12 = 918,139.16 : x
  2. Step 2: Convert to fraction form
    1,606,249.36/2,216,317.12 = 918,139.16/x
  3. Step 3: Cross multiply
    1,606,249.36x = 2,216,317.12 × 918,139.16
  4. Step 4: Simplify right side
    1,606,249.36x = 2,034,887,538,850.42
  5. Step 5: Solve for x
    x = 2,034,887,538,850.42/1,606,249.36
  6. Step 6: Final answer
    x = 1,266,856.56

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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.