Home / 2,172,327.82-2,997,881.14-1,254,540.36

Finding the Fourth Proportional to 2,172,327.82, 2,997,881.14 and 1,254,540.36

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Solution

The fourth proportional to 2,172,327.82, 2,997,881.14 and 1,254,540.36 is: 1,731,305.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,327.82 : 2,997,881.14 = 1,254,540.36 : x
  2. Step 2: Convert to fraction form
    2,172,327.82/2,997,881.14 = 1,254,540.36/x
  3. Step 3: Cross multiply
    2,172,327.82x = 2,997,881.14 × 1,254,540.36
  4. Step 4: Simplify right side
    2,172,327.82x = 3,760,962,884,612.81
  5. Step 5: Solve for x
    x = 3,760,962,884,612.81/2,172,327.82
  6. Step 6: Final answer
    x = 1,731,305.40

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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.