Home / 2,319,188-3,200,630.82-1,339,168.40

Finding the Fourth Proportional to 2,319,188, 3,200,630.82 and 1,339,168.40

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Solution

The fourth proportional to 2,319,188, 3,200,630.82 and 1,339,168.40 is: 1,848,139.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319,188 : 3,200,630.82 = 1,339,168.40 : x
  2. Step 2: Convert to fraction form
    2,319,188/3,200,630.82 = 1,339,168.40/x
  3. Step 3: Cross multiply
    2,319,188x = 3,200,630.82 × 1,339,168.40
  4. Step 4: Simplify right side
    2,319,188x = 4,286,183,654,210.09
  5. Step 5: Solve for x
    x = 4,286,183,654,210.09/2,319,188
  6. Step 6: Final answer
    x = 1,848,139.80

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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.