Home / 1,777,449.02-2,666,173.52-978,319.22

Finding the Fourth Proportional to 1,777,449.02, 2,666,173.52 and 978,319.22

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Solution

The fourth proportional to 1,777,449.02, 2,666,173.52 and 978,319.22 is: 1,467,478.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,777,449.02 : 2,666,173.52 = 978,319.22 : x
  2. Step 2: Convert to fraction form
    1,777,449.02/2,666,173.52 = 978,319.22/x
  3. Step 3: Cross multiply
    1,777,449.02x = 2,666,173.52 × 978,319.22
  4. Step 4: Simplify right side
    1,777,449.02x = 2,608,368,787,585.99
  5. Step 5: Solve for x
    x = 2,608,368,787,585.99/1,777,449.02
  6. Step 6: Final answer
    x = 1,467,478.82

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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.