Home / 1,665,690.26-2,499,530.79-1,530,172.80

Finding the Fourth Proportional to 1,665,690.26, 2,499,530.79 and 1,530,172.80

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Solution

The fourth proportional to 1,665,690.26, 2,499,530.79 and 1,530,172.80 is: 2,296,173.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,690.26 : 2,499,530.79 = 1,530,172.80 : x
  2. Step 2: Convert to fraction form
    1,665,690.26/2,499,530.79 = 1,530,172.80/x
  3. Step 3: Cross multiply
    1,665,690.26x = 2,499,530.79 × 1,530,172.80
  4. Step 4: Simplify right side
    1,665,690.26x = 3,824,714,027,620.51
  5. Step 5: Solve for x
    x = 3,824,714,027,620.51/1,665,690.26
  6. Step 6: Final answer
    x = 2,296,173.62

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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.