Home / 2,106,084.80-3,152,906.40-1,396,913.60

Finding the Fourth Proportional to 2,106,084.80, 3,152,906.40 and 1,396,913.60

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Solution

The fourth proportional to 2,106,084.80, 3,152,906.40 and 1,396,913.60 is: 2,091,244.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106,084.80 : 3,152,906.40 = 1,396,913.60 : x
  2. Step 2: Convert to fraction form
    2,106,084.80/3,152,906.40 = 1,396,913.60/x
  3. Step 3: Cross multiply
    2,106,084.80x = 3,152,906.40 × 1,396,913.60
  4. Step 4: Simplify right side
    2,106,084.80x = 4,404,337,829,687.04
  5. Step 5: Solve for x
    x = 4,404,337,829,687.04/2,106,084.80
  6. Step 6: Final answer
    x = 2,091,244.30

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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.