Home / 3,413,800.16-5,121,438.36-1,816,131.05

Finding the Fourth Proportional to 3,413,800.16, 5,121,438.36 and 1,816,131.05

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Solution

The fourth proportional to 3,413,800.16, 5,121,438.36 and 1,816,131.05 is: 2,724,589.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,413,800.16 : 5,121,438.36 = 1,816,131.05 : x
  2. Step 2: Convert to fraction form
    3,413,800.16/5,121,438.36 = 1,816,131.05/x
  3. Step 3: Cross multiply
    3,413,800.16x = 5,121,438.36 × 1,816,131.05
  4. Step 4: Simplify right side
    3,413,800.16x = 9,301,203,213,044.79
  5. Step 5: Solve for x
    x = 9,301,203,213,044.79/3,413,800.16
  6. Step 6: Final answer
    x = 2,724,589.25

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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.