Home / 3,582,340.20-4,938,406.92-2,721,405.78

Finding the Fourth Proportional to 3,582,340.20, 4,938,406.92 and 2,721,405.78

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Solution

The fourth proportional to 3,582,340.20, 4,938,406.92 and 2,721,405.78 is: 3,751,572.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,582,340.20 : 4,938,406.92 = 2,721,405.78 : x
  2. Step 2: Convert to fraction form
    3,582,340.20/4,938,406.92 = 2,721,405.78/x
  3. Step 3: Cross multiply
    3,582,340.20x = 4,938,406.92 × 2,721,405.78
  4. Step 4: Simplify right side
    3,582,340.20x = 13,439,409,136,080.00
  5. Step 5: Solve for x
    x = 13,439,409,136,080.00/3,582,340.20
  6. Step 6: Final answer
    x = 3,751,572.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.