Home / 2,125,334.40-3,188,001.60-1,915,382.40

Finding the Fourth Proportional to 2,125,334.40, 3,188,001.60 and 1,915,382.40

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Solution

The fourth proportional to 2,125,334.40, 3,188,001.60 and 1,915,382.40 is: 2,873,073.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125,334.40 : 3,188,001.60 = 1,915,382.40 : x
  2. Step 2: Convert to fraction form
    2,125,334.40/3,188,001.60 = 1,915,382.40/x
  3. Step 3: Cross multiply
    2,125,334.40x = 3,188,001.60 × 1,915,382.40
  4. Step 4: Simplify right side
    2,125,334.40x = 6,106,242,155,811.84
  5. Step 5: Solve for x
    x = 6,106,242,155,811.84/2,125,334.40
  6. Step 6: Final answer
    x = 2,873,073.60

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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.