Home / 2,114,720.87-2,918,239.26-1,196,930.28

Finding the Fourth Proportional to 2,114,720.87, 2,918,239.26 and 1,196,930.28

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Solution

The fourth proportional to 2,114,720.87, 2,918,239.26 and 1,196,930.28 is: 1,651,721.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114,720.87 : 2,918,239.26 = 1,196,930.28 : x
  2. Step 2: Convert to fraction form
    2,114,720.87/2,918,239.26 = 1,196,930.28/x
  3. Step 3: Cross multiply
    2,114,720.87x = 2,918,239.26 × 1,196,930.28
  4. Step 4: Simplify right side
    2,114,720.87x = 3,492,928,947,766.43
  5. Step 5: Solve for x
    x = 3,492,928,947,766.43/2,114,720.87
  6. Step 6: Final answer
    x = 1,651,721.04

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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.