Home / 3,413,945.80-5,120,918.70-889,601.05

Finding the Fourth Proportional to 3,413,945.80, 5,120,918.70 and 889,601.05

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Solution

The fourth proportional to 3,413,945.80, 5,120,918.70 and 889,601.05 is: 1,334,401.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,413,945.80 : 5,120,918.70 = 889,601.05 : x
  2. Step 2: Convert to fraction form
    3,413,945.80/5,120,918.70 = 889,601.05/x
  3. Step 3: Cross multiply
    3,413,945.80x = 5,120,918.70 × 889,601.05
  4. Step 4: Simplify right side
    3,413,945.80x = 4,555,574,652,484.64
  5. Step 5: Solve for x
    x = 4,555,574,652,484.64/3,413,945.80
  6. Step 6: Final answer
    x = 1,334,401.58

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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.