Home / 2,166,315.08-2,989,608.28-1,199,445.41

Finding the Fourth Proportional to 2,166,315.08, 2,989,608.28 and 1,199,445.41

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Solution

The fourth proportional to 2,166,315.08, 2,989,608.28 and 1,199,445.41 is: 1,655,286.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,315.08 : 2,989,608.28 = 1,199,445.41 : x
  2. Step 2: Convert to fraction form
    2,166,315.08/2,989,608.28 = 1,199,445.41/x
  3. Step 3: Cross multiply
    2,166,315.08x = 2,989,608.28 × 1,199,445.41
  4. Step 4: Simplify right side
    2,166,315.08x = 3,585,871,933,619.40
  5. Step 5: Solve for x
    x = 3,585,871,933,619.40/2,166,315.08
  6. Step 6: Final answer
    x = 1,655,286.42

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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.