Home / 1,511,329.11-2,082,086.67-1,051,653.16

Finding the Fourth Proportional to 1,511,329.11, 2,082,086.67 and 1,051,653.16

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Solution

The fourth proportional to 1,511,329.11, 2,082,086.67 and 1,051,653.16 is: 1,448,812.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,329.11 : 2,082,086.67 = 1,051,653.16 : x
  2. Step 2: Convert to fraction form
    1,511,329.11/2,082,086.67 = 1,051,653.16/x
  3. Step 3: Cross multiply
    1,511,329.11x = 2,082,086.67 × 1,051,653.16
  4. Step 4: Simplify right side
    1,511,329.11x = 2,189,633,025,899.38
  5. Step 5: Solve for x
    x = 2,189,633,025,899.38/1,511,329.11
  6. Step 6: Final answer
    x = 1,448,812.84

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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.