Home / 5,199,803.88-7,175,704.86-2,907,973.68

Finding the Fourth Proportional to 5,199,803.88, 7,175,704.86 and 2,907,973.68

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Solution

The fourth proportional to 5,199,803.88, 7,175,704.86 and 2,907,973.68 is: 4,012,989.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199,803.88 : 7,175,704.86 = 2,907,973.68 : x
  2. Step 2: Convert to fraction form
    5,199,803.88/7,175,704.86 = 2,907,973.68/x
  3. Step 3: Cross multiply
    5,199,803.88x = 7,175,704.86 × 2,907,973.68
  4. Step 4: Simplify right side
    5,199,803.88x = 20,866,760,868,328.09
  5. Step 5: Solve for x
    x = 20,866,760,868,328.09/5,199,803.88
  6. Step 6: Final answer
    x = 4,012,989.98

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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.