Home / 2,180,213.21-3,008,664.95-1,213,343.25

Finding the Fourth Proportional to 2,180,213.21, 3,008,664.95 and 1,213,343.25

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Solution

The fourth proportional to 2,180,213.21, 3,008,664.95 and 1,213,343.25 is: 1,674,397.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180,213.21 : 3,008,664.95 = 1,213,343.25 : x
  2. Step 2: Convert to fraction form
    2,180,213.21/3,008,664.95 = 1,213,343.25/x
  3. Step 3: Cross multiply
    2,180,213.21x = 3,008,664.95 × 1,213,343.25
  4. Step 4: Simplify right side
    2,180,213.21x = 3,650,543,291,244.88
  5. Step 5: Solve for x
    x = 3,650,543,291,244.88/2,180,213.21
  6. Step 6: Final answer
    x = 1,674,397.38

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1.5x scale

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.