Home / 2,767,056.36-4,151,845.62-1,420,164.78

Finding the Fourth Proportional to 2,767,056.36, 4,151,845.62 and 1,420,164.78

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Solution

The fourth proportional to 2,767,056.36, 4,151,845.62 and 1,420,164.78 is: 2,130,894.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767,056.36 : 4,151,845.62 = 1,420,164.78 : x
  2. Step 2: Convert to fraction form
    2,767,056.36/4,151,845.62 = 1,420,164.78/x
  3. Step 3: Cross multiply
    2,767,056.36x = 4,151,845.62 × 1,420,164.78
  4. Step 4: Simplify right side
    2,767,056.36x = 5,896,304,921,521.26
  5. Step 5: Solve for x
    x = 5,896,304,921,521.26/2,767,056.36
  6. Step 6: Final answer
    x = 2,130,894.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.