Home / 3,128,216.09-4,314,712.05-2,870,924.04

Finding the Fourth Proportional to 3,128,216.09, 4,314,712.05 and 2,870,924.04

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Solution

The fourth proportional to 3,128,216.09, 4,314,712.05 and 2,870,924.04 is: 3,959,832.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128,216.09 : 4,314,712.05 = 2,870,924.04 : x
  2. Step 2: Convert to fraction form
    3,128,216.09/4,314,712.05 = 2,870,924.04/x
  3. Step 3: Cross multiply
    3,128,216.09x = 4,314,712.05 × 2,870,924.04
  4. Step 4: Simplify right side
    3,128,216.09x = 12,387,210,550,022.68
  5. Step 5: Solve for x
    x = 12,387,210,550,022.68/3,128,216.09
  6. Step 6: Final answer
    x = 3,959,832.13

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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.