Home / 3,640,763.87-5,024,374.73-1,987,001.27

Finding the Fourth Proportional to 3,640,763.87, 5,024,374.73 and 1,987,001.27

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Solution

The fourth proportional to 3,640,763.87, 5,024,374.73 and 1,987,001.27 is: 2,742,127.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640,763.87 : 5,024,374.73 = 1,987,001.27 : x
  2. Step 2: Convert to fraction form
    3,640,763.87/5,024,374.73 = 1,987,001.27/x
  3. Step 3: Cross multiply
    3,640,763.87x = 5,024,374.73 × 1,987,001.27
  4. Step 4: Simplify right side
    3,640,763.87x = 9,983,438,972,091.84
  5. Step 5: Solve for x
    x = 9,983,438,972,091.84/3,640,763.87
  6. Step 6: Final answer
    x = 2,742,127.57

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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.