Home / 3,622,428.90-5,433,643.35-1,942,812.90

Finding the Fourth Proportional to 3,622,428.90, 5,433,643.35 and 1,942,812.90

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Solution

The fourth proportional to 3,622,428.90, 5,433,643.35 and 1,942,812.90 is: 2,914,219.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622,428.90 : 5,433,643.35 = 1,942,812.90 : x
  2. Step 2: Convert to fraction form
    3,622,428.90/5,433,643.35 = 1,942,812.90/x
  3. Step 3: Cross multiply
    3,622,428.90x = 5,433,643.35 × 1,942,812.90
  4. Step 4: Simplify right side
    3,622,428.90x = 10,556,552,394,379.21
  5. Step 5: Solve for x
    x = 10,556,552,394,379.21/3,622,428.90
  6. Step 6: Final answer
    x = 2,914,219.35

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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.