Home / 2,288,172.51-3,157,184.73-1,320,742.26

Finding the Fourth Proportional to 2,288,172.51, 3,157,184.73 and 1,320,742.26

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Solution

The fourth proportional to 2,288,172.51, 3,157,184.73 and 1,320,742.26 is: 1,822,339.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,288,172.51 : 3,157,184.73 = 1,320,742.26 : x
  2. Step 2: Convert to fraction form
    2,288,172.51/3,157,184.73 = 1,320,742.26/x
  3. Step 3: Cross multiply
    2,288,172.51x = 3,157,184.73 × 1,320,742.26
  4. Step 4: Simplify right side
    2,288,172.51x = 4,169,827,295,537.69
  5. Step 5: Solve for x
    x = 4,169,827,295,537.69/2,288,172.51
  6. Step 6: Final answer
    x = 1,822,339.56

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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.