Home / 2,071,980.03-2,859,361.97-1,189,072.93

Finding the Fourth Proportional to 2,071,980.03, 2,859,361.97 and 1,189,072.93

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Solution

The fourth proportional to 2,071,980.03, 2,859,361.97 and 1,189,072.93 is: 1,640,937.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,071,980.03 : 2,859,361.97 = 1,189,072.93 : x
  2. Step 2: Convert to fraction form
    2,071,980.03/2,859,361.97 = 1,189,072.93/x
  3. Step 3: Cross multiply
    2,071,980.03x = 2,859,361.97 × 1,189,072.93
  4. Step 4: Simplify right side
    2,071,980.03x = 3,399,989,899,565.16
  5. Step 5: Solve for x
    x = 3,399,989,899,565.16/2,071,980.03
  6. Step 6: Final answer
    x = 1,640,937.58

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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.