Home / 1,571,861.64-2,169,169.08-856,469.64

Finding the Fourth Proportional to 1,571,861.64, 2,169,169.08 and 856,469.64

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Solution

The fourth proportional to 1,571,861.64, 2,169,169.08 and 856,469.64 is: 1,181,928.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,571,861.64 : 2,169,169.08 = 856,469.64 : x
  2. Step 2: Convert to fraction form
    1,571,861.64/2,169,169.08 = 856,469.64/x
  3. Step 3: Cross multiply
    1,571,861.64x = 2,169,169.08 × 856,469.64
  4. Step 4: Simplify right side
    1,571,861.64x = 1,857,827,461,046.73
  5. Step 5: Solve for x
    x = 1,857,827,461,046.73/1,571,861.64
  6. Step 6: Final answer
    x = 1,181,928.11

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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.