Home / 3,175,356.17-4,382,367.20-1,886,201.67

Finding the Fourth Proportional to 3,175,356.17, 4,382,367.20 and 1,886,201.67

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Solution

The fourth proportional to 3,175,356.17, 4,382,367.20 and 1,886,201.67 is: 2,603,181.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,175,356.17 : 4,382,367.20 = 1,886,201.67 : x
  2. Step 2: Convert to fraction form
    3,175,356.17/4,382,367.20 = 1,886,201.67/x
  3. Step 3: Cross multiply
    3,175,356.17x = 4,382,367.20 × 1,886,201.67
  4. Step 4: Simplify right side
    3,175,356.17x = 8,266,028,321,762.22
  5. Step 5: Solve for x
    x = 8,266,028,321,762.22/3,175,356.17
  6. Step 6: Final answer
    x = 2,603,181.47

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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.