Home / 2,290,221.05-3,436,643.78-871,295.45

Finding the Fourth Proportional to 2,290,221.05, 3,436,643.78 and 871,295.45

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Solution

The fourth proportional to 2,290,221.05, 3,436,643.78 and 871,295.45 is: 1,307,442.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,290,221.05 : 3,436,643.78 = 871,295.45 : x
  2. Step 2: Convert to fraction form
    2,290,221.05/3,436,643.78 = 871,295.45/x
  3. Step 3: Cross multiply
    2,290,221.05x = 3,436,643.78 × 871,295.45
  4. Step 4: Simplify right side
    2,290,221.05x = 2,994,332,084,428.32
  5. Step 5: Solve for x
    x = 2,994,332,084,428.32/2,290,221.05
  6. Step 6: Final answer
    x = 1,307,442.39

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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.