Home / 2,107,685.70-2,907,892.35-1,372,304.16

Finding the Fourth Proportional to 2,107,685.70, 2,907,892.35 and 1,372,304.16

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Solution

The fourth proportional to 2,107,685.70, 2,907,892.35 and 1,372,304.16 is: 1,893,314.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107,685.70 : 2,907,892.35 = 1,372,304.16 : x
  2. Step 2: Convert to fraction form
    2,107,685.70/2,907,892.35 = 1,372,304.16/x
  3. Step 3: Cross multiply
    2,107,685.70x = 2,907,892.35 × 1,372,304.16
  4. Step 4: Simplify right side
    2,107,685.70x = 3,990,512,768,737.18
  5. Step 5: Solve for x
    x = 3,990,512,768,737.18/2,107,685.70
  6. Step 6: Final answer
    x = 1,893,314.91

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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.