Home / 2,309,298.12-3,186,942.48-1,276,786.80

Finding the Fourth Proportional to 2,309,298.12, 3,186,942.48 and 1,276,786.80

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Solution

The fourth proportional to 2,309,298.12, 3,186,942.48 and 1,276,786.80 is: 1,762,027.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,309,298.12 : 3,186,942.48 = 1,276,786.80 : x
  2. Step 2: Convert to fraction form
    2,309,298.12/3,186,942.48 = 1,276,786.80/x
  3. Step 3: Cross multiply
    2,309,298.12x = 3,186,942.48 × 1,276,786.80
  4. Step 4: Simplify right side
    2,309,298.12x = 4,069,046,090,823.26
  5. Step 5: Solve for x
    x = 4,069,046,090,823.26/2,309,298.12
  6. Step 6: Final answer
    x = 1,762,027.20

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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.