Home / 2,215,721.80-3,323,582.70-719,813.80

Finding the Fourth Proportional to 2,215,721.80, 3,323,582.70 and 719,813.80

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Solution

The fourth proportional to 2,215,721.80, 3,323,582.70 and 719,813.80 is: 1,079,720.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,215,721.80 : 3,323,582.70 = 719,813.80 : x
  2. Step 2: Convert to fraction form
    2,215,721.80/3,323,582.70 = 719,813.80/x
  3. Step 3: Cross multiply
    2,215,721.80x = 3,323,582.70 × 719,813.80
  4. Step 4: Simplify right side
    2,215,721.80x = 2,392,360,692,901.26
  5. Step 5: Solve for x
    x = 2,392,360,692,901.26/2,215,721.80
  6. Step 6: Final answer
    x = 1,079,720.70

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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.