Home / 3,279,820.80-4,921,804.80-1,931,980.80

Finding the Fourth Proportional to 3,279,820.80, 4,921,804.80 and 1,931,980.80

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Solution

The fourth proportional to 3,279,820.80, 4,921,804.80 and 1,931,980.80 is: 2,899,192.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279,820.80 : 4,921,804.80 = 1,931,980.80 : x
  2. Step 2: Convert to fraction form
    3,279,820.80/4,921,804.80 = 1,931,980.80/x
  3. Step 3: Cross multiply
    3,279,820.80x = 4,921,804.80 × 1,931,980.80
  4. Step 4: Simplify right side
    3,279,820.80x = 9,508,832,374,947.84
  5. Step 5: Solve for x
    x = 9,508,832,374,947.84/3,279,820.80
  6. Step 6: Final answer
    x = 2,899,192.66

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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.