Home / 2,912,571.06-4,368,852.78-782,655.24

Finding the Fourth Proportional to 2,912,571.06, 4,368,852.78 and 782,655.24

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Solution

The fourth proportional to 2,912,571.06, 4,368,852.78 and 782,655.24 is: 1,173,981.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,571.06 : 4,368,852.78 = 782,655.24 : x
  2. Step 2: Convert to fraction form
    2,912,571.06/4,368,852.78 = 782,655.24/x
  3. Step 3: Cross multiply
    2,912,571.06x = 4,368,852.78 × 782,655.24
  4. Step 4: Simplify right side
    2,912,571.06x = 3,419,305,521,055.57
  5. Step 5: Solve for x
    x = 3,419,305,521,055.57/2,912,571.06
  6. Step 6: Final answer
    x = 1,173,981.84

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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.