Home / 1,600,131.15-2,206,294.20-1,293,258.60

Finding the Fourth Proportional to 1,600,131.15, 2,206,294.20 and 1,293,258.60

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Solution

The fourth proportional to 1,600,131.15, 2,206,294.20 and 1,293,258.60 is: 1,783,171.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,600,131.15 : 2,206,294.20 = 1,293,258.60 : x
  2. Step 2: Convert to fraction form
    1,600,131.15/2,206,294.20 = 1,293,258.60/x
  3. Step 3: Cross multiply
    1,600,131.15x = 2,206,294.20 × 1,293,258.60
  4. Step 4: Simplify right side
    1,600,131.15x = 2,853,308,948,280.12
  5. Step 5: Solve for x
    x = 2,853,308,948,280.12/1,600,131.15
  6. Step 6: Final answer
    x = 1,783,171.93

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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.