Home / 2,279,056.56-3,145,145.40-1,260,530.16

Finding the Fourth Proportional to 2,279,056.56, 3,145,145.40 and 1,260,530.16

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Solution

The fourth proportional to 2,279,056.56, 3,145,145.40 and 1,260,530.16 is: 1,739,557.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,279,056.56 : 3,145,145.40 = 1,260,530.16 : x
  2. Step 2: Convert to fraction form
    2,279,056.56/3,145,145.40 = 1,260,530.16/x
  3. Step 3: Cross multiply
    2,279,056.56x = 3,145,145.40 × 1,260,530.16
  4. Step 4: Simplify right side
    2,279,056.56x = 3,964,550,634,285.26
  5. Step 5: Solve for x
    x = 3,964,550,634,285.26/2,279,056.56
  6. Step 6: Final answer
    x = 1,739,557.81

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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.