Home / 2,220,015.88-3,063,621.90-1,201,420.84

Finding the Fourth Proportional to 2,220,015.88, 3,063,621.90 and 1,201,420.84

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Solution

The fourth proportional to 2,220,015.88, 3,063,621.90 and 1,201,420.84 is: 1,657,960.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220,015.88 : 3,063,621.90 = 1,201,420.84 : x
  2. Step 2: Convert to fraction form
    2,220,015.88/3,063,621.90 = 1,201,420.84/x
  3. Step 3: Cross multiply
    2,220,015.88x = 3,063,621.90 × 1,201,420.84
  4. Step 4: Simplify right side
    2,220,015.88x = 3,680,699,196,540.40
  5. Step 5: Solve for x
    x = 3,680,699,196,540.40/2,220,015.88
  6. Step 6: Final answer
    x = 1,657,960.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.