Home / 2,139,102.28-3,208,657.74-876,703.24

Finding the Fourth Proportional to 2,139,102.28, 3,208,657.74 and 876,703.24

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Solution

The fourth proportional to 2,139,102.28, 3,208,657.74 and 876,703.24 is: 1,315,056.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,139,102.28 : 3,208,657.74 = 876,703.24 : x
  2. Step 2: Convert to fraction form
    2,139,102.28/3,208,657.74 = 876,703.24/x
  3. Step 3: Cross multiply
    2,139,102.28x = 3,208,657.74 × 876,703.24
  4. Step 4: Simplify right side
    2,139,102.28x = 2,813,040,636,709.08
  5. Step 5: Solve for x
    x = 2,813,040,636,709.08/2,139,102.28
  6. Step 6: Final answer
    x = 1,315,056.63

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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.