Home / 2,101,885.84-3,153,271.56-681,831.04

Finding the Fourth Proportional to 2,101,885.84, 3,153,271.56 and 681,831.04

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Solution

The fourth proportional to 2,101,885.84, 3,153,271.56 and 681,831.04 is: 1,022,890.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,101,885.84 : 3,153,271.56 = 681,831.04 : x
  2. Step 2: Convert to fraction form
    2,101,885.84/3,153,271.56 = 681,831.04/x
  3. Step 3: Cross multiply
    2,101,885.84x = 3,153,271.56 × 681,831.04
  4. Step 4: Simplify right side
    2,101,885.84x = 2,149,998,427,157.22
  5. Step 5: Solve for x
    x = 2,149,998,427,157.22/2,101,885.84
  6. Step 6: Final answer
    x = 1,022,890.20

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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.