Home / 1,982,045.22-2,728,640.32-1,777,742.58

Finding the Fourth Proportional to 1,982,045.22, 2,728,640.32 and 1,777,742.58

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Solution

The fourth proportional to 1,982,045.22, 2,728,640.32 and 1,777,742.58 is: 2,447,381.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,982,045.22 : 2,728,640.32 = 1,777,742.58 : x
  2. Step 2: Convert to fraction form
    1,982,045.22/2,728,640.32 = 1,777,742.58/x
  3. Step 3: Cross multiply
    1,982,045.22x = 2,728,640.32 × 1,777,742.58
  4. Step 4: Simplify right side
    1,982,045.22x = 4,850,820,082,368.83
  5. Step 5: Solve for x
    x = 4,850,820,082,368.83/1,982,045.22
  6. Step 6: Final answer
    x = 2,447,381.14

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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.