Home / 2,791,809.96-4,188,006.23-770,054.21

Finding the Fourth Proportional to 2,791,809.96, 4,188,006.23 and 770,054.21

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Solution

The fourth proportional to 2,791,809.96, 4,188,006.23 and 770,054.21 is: 1,155,161.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791,809.96 : 4,188,006.23 = 770,054.21 : x
  2. Step 2: Convert to fraction form
    2,791,809.96/4,188,006.23 = 770,054.21/x
  3. Step 3: Cross multiply
    2,791,809.96x = 4,188,006.23 × 770,054.21
  4. Step 4: Simplify right side
    2,791,809.96x = 3,224,991,804,127.43
  5. Step 5: Solve for x
    x = 3,224,991,804,127.43/2,791,809.96
  6. Step 6: Final answer
    x = 1,155,161.65

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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.