Home / 1,723,537.38-2,578,104.36-1,211,165.40

Finding the Fourth Proportional to 1,723,537.38, 2,578,104.36 and 1,211,165.40

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Solution

The fourth proportional to 1,723,537.38, 2,578,104.36 and 1,211,165.40 is: 1,811,687.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,723,537.38 : 2,578,104.36 = 1,211,165.40 : x
  2. Step 2: Convert to fraction form
    1,723,537.38/2,578,104.36 = 1,211,165.40/x
  3. Step 3: Cross multiply
    1,723,537.38x = 2,578,104.36 × 1,211,165.40
  4. Step 4: Simplify right side
    1,723,537.38x = 3,122,510,798,421.14
  5. Step 5: Solve for x
    x = 3,122,510,798,421.14/1,723,537.38
  6. Step 6: Final answer
    x = 1,811,687.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.