Home / 2,640,848.40-3,962,584.80-1,043,463.60

Finding the Fourth Proportional to 2,640,848.40, 3,962,584.80 and 1,043,463.60

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Solution

The fourth proportional to 2,640,848.40, 3,962,584.80 and 1,043,463.60 is: 1,565,713.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,848.40 : 3,962,584.80 = 1,043,463.60 : x
  2. Step 2: Convert to fraction form
    2,640,848.40/3,962,584.80 = 1,043,463.60/x
  3. Step 3: Cross multiply
    2,640,848.40x = 3,962,584.80 × 1,043,463.60
  4. Step 4: Simplify right side
    2,640,848.40x = 4,134,813,000,713.28
  5. Step 5: Solve for x
    x = 4,134,813,000,713.28/2,640,848.40
  6. Step 6: Final answer
    x = 1,565,713.88

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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.