Home / 2,764,496.30-4,143,988.80-1,322,519.72

Finding the Fourth Proportional to 2,764,496.30, 4,143,988.80 and 1,322,519.72

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Solution

The fourth proportional to 2,764,496.30, 4,143,988.80 and 1,322,519.72 is: 1,982,461.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,764,496.30 : 4,143,988.80 = 1,322,519.72 : x
  2. Step 2: Convert to fraction form
    2,764,496.30/4,143,988.80 = 1,322,519.72/x
  3. Step 3: Cross multiply
    2,764,496.30x = 4,143,988.80 × 1,322,519.72
  4. Step 4: Simplify right side
    2,764,496.30x = 5,480,506,886,739.19
  5. Step 5: Solve for x
    x = 5,480,506,886,739.19/2,764,496.30
  6. Step 6: Final answer
    x = 1,982,461.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.