Home / 3,413,800.78-5,121,439.29-1,816,131.67

Finding the Fourth Proportional to 3,413,800.78, 5,121,439.29 and 1,816,131.67

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Solution

The fourth proportional to 3,413,800.78, 5,121,439.29 and 1,816,131.67 is: 2,724,590.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,413,800.78 : 5,121,439.29 = 1,816,131.67 : x
  2. Step 2: Convert to fraction form
    3,413,800.78/5,121,439.29 = 1,816,131.67/x
  3. Step 3: Cross multiply
    3,413,800.78x = 5,121,439.29 × 1,816,131.67
  4. Step 4: Simplify right side
    3,413,800.78x = 9,301,208,090,551.32
  5. Step 5: Solve for x
    x = 9,301,208,090,551.32/3,413,800.78
  6. Step 6: Final answer
    x = 2,724,590.18

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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.