Home / 2,078,273.20-3,117,409.80-1,962,799.60

Finding the Fourth Proportional to 2,078,273.20, 3,117,409.80 and 1,962,799.60

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Solution

The fourth proportional to 2,078,273.20, 3,117,409.80 and 1,962,799.60 is: 2,944,199.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,273.20 : 3,117,409.80 = 1,962,799.60 : x
  2. Step 2: Convert to fraction form
    2,078,273.20/3,117,409.80 = 1,962,799.60/x
  3. Step 3: Cross multiply
    2,078,273.20x = 3,117,409.80 × 1,962,799.60
  4. Step 4: Simplify right side
    2,078,273.20x = 6,118,850,708,476.08
  5. Step 5: Solve for x
    x = 6,118,850,708,476.08/2,078,273.20
  6. Step 6: Final answer
    x = 2,944,199.40

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1.5x scale

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.