Home / 3,622,706.90-4,999,346.01-1,991,281.44

Finding the Fourth Proportional to 3,622,706.90, 4,999,346.01 and 1,991,281.44

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Solution

The fourth proportional to 3,622,706.90, 4,999,346.01 and 1,991,281.44 is: 2,747,974.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622,706.90 : 4,999,346.01 = 1,991,281.44 : x
  2. Step 2: Convert to fraction form
    3,622,706.90/4,999,346.01 = 1,991,281.44/x
  3. Step 3: Cross multiply
    3,622,706.90x = 4,999,346.01 × 1,991,281.44
  4. Step 4: Simplify right side
    3,622,706.90x = 9,955,104,921,851.05
  5. Step 5: Solve for x
    x = 9,955,104,921,851.05/3,622,706.90
  6. Step 6: Final answer
    x = 2,747,974.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.