Home / 1,954,120.32-2,697,499.20-1,343,149.44

Finding the Fourth Proportional to 1,954,120.32, 2,697,499.20 and 1,343,149.44

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Solution

The fourth proportional to 1,954,120.32, 2,697,499.20 and 1,343,149.44 is: 1,854,105.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954,120.32 : 2,697,499.20 = 1,343,149.44 : x
  2. Step 2: Convert to fraction form
    1,954,120.32/2,697,499.20 = 1,343,149.44/x
  3. Step 3: Cross multiply
    1,954,120.32x = 2,697,499.20 × 1,343,149.44
  4. Step 4: Simplify right side
    1,954,120.32x = 3,623,144,539,880.45
  5. Step 5: Solve for x
    x = 3,623,144,539,880.45/1,954,120.32
  6. Step 6: Final answer
    x = 1,854,105.15

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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.