Home / 2,640,196.19-3,643,344.75-1,621,404.11

Finding the Fourth Proportional to 2,640,196.19, 3,643,344.75 and 1,621,404.11

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Solution

The fourth proportional to 2,640,196.19, 3,643,344.75 and 1,621,404.11 is: 2,237,460.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,196.19 : 3,643,344.75 = 1,621,404.11 : x
  2. Step 2: Convert to fraction form
    2,640,196.19/3,643,344.75 = 1,621,404.11/x
  3. Step 3: Cross multiply
    2,640,196.19x = 3,643,344.75 × 1,621,404.11
  4. Step 4: Simplify right side
    2,640,196.19x = 5,907,334,133,580.20
  5. Step 5: Solve for x
    x = 5,907,334,133,580.20/2,640,196.19
  6. Step 6: Final answer
    x = 2,237,460.29

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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.