Home / 2,187,392.64-3,018,810.40-1,327,755.84

Finding the Fourth Proportional to 2,187,392.64, 3,018,810.40 and 1,327,755.84

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Solution

The fourth proportional to 2,187,392.64, 3,018,810.40 and 1,327,755.84 is: 1,832,429.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,392.64 : 3,018,810.40 = 1,327,755.84 : x
  2. Step 2: Convert to fraction form
    2,187,392.64/3,018,810.40 = 1,327,755.84/x
  3. Step 3: Cross multiply
    2,187,392.64x = 3,018,810.40 × 1,327,755.84
  4. Step 4: Simplify right side
    2,187,392.64x = 4,008,243,138,452.74
  5. Step 5: Solve for x
    x = 4,008,243,138,452.74/2,187,392.64
  6. Step 6: Final answer
    x = 1,832,429.65

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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.