Home / 2,640,673.40-3,962,322.30-1,043,288.60

Finding the Fourth Proportional to 2,640,673.40, 3,962,322.30 and 1,043,288.60

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Solution

The fourth proportional to 2,640,673.40, 3,962,322.30 and 1,043,288.60 is: 1,565,451.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,673.40 : 3,962,322.30 = 1,043,288.60 : x
  2. Step 2: Convert to fraction form
    2,640,673.40/3,962,322.30 = 1,043,288.60/x
  3. Step 3: Cross multiply
    2,640,673.40x = 3,962,322.30 × 1,043,288.60
  4. Step 4: Simplify right side
    2,640,673.40x = 4,133,845,685,115.78
  5. Step 5: Solve for x
    x = 4,133,845,685,115.78/2,640,673.40
  6. Step 6: Final answer
    x = 1,565,451.33

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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.