Home / 2,135,285.85-2,946,606.52-1,276,319.73

Finding the Fourth Proportional to 2,135,285.85, 2,946,606.52 and 1,276,319.73

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Solution

The fourth proportional to 2,135,285.85, 2,946,606.52 and 1,276,319.73 is: 1,761,268.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135,285.85 : 2,946,606.52 = 1,276,319.73 : x
  2. Step 2: Convert to fraction form
    2,135,285.85/2,946,606.52 = 1,276,319.73/x
  3. Step 3: Cross multiply
    2,135,285.85x = 2,946,606.52 × 1,276,319.73
  4. Step 4: Simplify right side
    2,135,285.85x = 3,760,812,038,022.64
  5. Step 5: Solve for x
    x = 3,760,812,038,022.64/2,135,285.85
  6. Step 6: Final answer
    x = 1,761,268.66

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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.