Home / 2,107,189.26-2,907,921.08-1,140,319.44

Finding the Fourth Proportional to 2,107,189.26, 2,907,921.08 and 1,140,319.44

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Solution

The fourth proportional to 2,107,189.26, 2,907,921.08 and 1,140,319.44 is: 1,573,640.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107,189.26 : 2,907,921.08 = 1,140,319.44 : x
  2. Step 2: Convert to fraction form
    2,107,189.26/2,907,921.08 = 1,140,319.44/x
  3. Step 3: Cross multiply
    2,107,189.26x = 2,907,921.08 × 1,140,319.44
  4. Step 4: Simplify right side
    2,107,189.26x = 3,315,958,937,509.80
  5. Step 5: Solve for x
    x = 3,315,958,937,509.80/2,107,189.26
  6. Step 6: Final answer
    x = 1,573,640.77

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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.