Home / 3,448,168.26-4,758,131.58-1,920,417.54

Finding the Fourth Proportional to 3,448,168.26, 4,758,131.58 and 1,920,417.54

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Solution

The fourth proportional to 3,448,168.26, 4,758,131.58 and 1,920,417.54 is: 2,649,986.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,448,168.26 : 4,758,131.58 = 1,920,417.54 : x
  2. Step 2: Convert to fraction form
    3,448,168.26/4,758,131.58 = 1,920,417.54/x
  3. Step 3: Cross multiply
    3,448,168.26x = 4,758,131.58 × 1,920,417.54
  4. Step 4: Simplify right side
    3,448,168.26x = 9,137,599,343,859.91
  5. Step 5: Solve for x
    x = 9,137,599,343,859.91/3,448,168.26
  6. Step 6: Final answer
    x = 2,649,986.50

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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.