Home / 2,620,812.96-3,926,180.43-1,606,978.08

Finding the Fourth Proportional to 2,620,812.96, 3,926,180.43 and 1,606,978.08

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Solution

The fourth proportional to 2,620,812.96, 3,926,180.43 and 1,606,978.08 is: 2,407,377.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,620,812.96 : 3,926,180.43 = 1,606,978.08 : x
  2. Step 2: Convert to fraction form
    2,620,812.96/3,926,180.43 = 1,606,978.08/x
  3. Step 3: Cross multiply
    2,620,812.96x = 3,926,180.43 × 1,606,978.08
  4. Step 4: Simplify right side
    2,620,812.96x = 6,309,285,889,134.98
  5. Step 5: Solve for x
    x = 6,309,285,889,134.98/2,620,812.96
  6. Step 6: Final answer
    x = 2,407,377.40

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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.