Home / 2,772,090.85-4,161,246.68-2,143,790.05

Finding the Fourth Proportional to 2,772,090.85, 4,161,246.68 and 2,143,790.05

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Solution

The fourth proportional to 2,772,090.85, 4,161,246.68 and 2,143,790.05 is: 3,218,090.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772,090.85 : 4,161,246.68 = 2,143,790.05 : x
  2. Step 2: Convert to fraction form
    2,772,090.85/4,161,246.68 = 2,143,790.05/x
  3. Step 3: Cross multiply
    2,772,090.85x = 4,161,246.68 × 2,143,790.05
  4. Step 4: Simplify right side
    2,772,090.85x = 8,920,839,217,460.58
  5. Step 5: Solve for x
    x = 8,920,839,217,460.58/2,772,090.85
  6. Step 6: Final answer
    x = 3,218,090.50

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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.