Home / 3,111,907.20-4,290,272.64-2,334,232.32

Finding the Fourth Proportional to 3,111,907.20, 4,290,272.64 and 2,334,232.32

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Solution

The fourth proportional to 3,111,907.20, 4,290,272.64 and 2,334,232.32 is: 3,218,120.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111,907.20 : 4,290,272.64 = 2,334,232.32 : x
  2. Step 2: Convert to fraction form
    3,111,907.20/4,290,272.64 = 2,334,232.32/x
  3. Step 3: Cross multiply
    3,111,907.20x = 4,290,272.64 × 2,334,232.32
  4. Step 4: Simplify right side
    3,111,907.20x = 10,014,493,057,899.72
  5. Step 5: Solve for x
    x = 10,014,493,057,899.72/3,111,907.20
  6. Step 6: Final answer
    x = 3,218,120.73

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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.