Home / 3,115,832.25-4,299,861.48-1,685,048.25

Finding the Fourth Proportional to 3,115,832.25, 4,299,861.48 and 1,685,048.25

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Solution

The fourth proportional to 3,115,832.25, 4,299,861.48 and 1,685,048.25 is: 2,325,373.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,832.25 : 4,299,861.48 = 1,685,048.25 : x
  2. Step 2: Convert to fraction form
    3,115,832.25/4,299,861.48 = 1,685,048.25/x
  3. Step 3: Cross multiply
    3,115,832.25x = 4,299,861.48 × 1,685,048.25
  4. Step 4: Simplify right side
    3,115,832.25x = 7,245,474,062,116.41
  5. Step 5: Solve for x
    x = 7,245,474,062,116.41/3,115,832.25
  6. Step 6: Final answer
    x = 2,325,373.60

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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.