Home / 2,184,209.40-3,275,730.90-764,117.40

Finding the Fourth Proportional to 2,184,209.40, 3,275,730.90 and 764,117.40

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Solution

The fourth proportional to 2,184,209.40, 3,275,730.90 and 764,117.40 is: 1,145,972.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,184,209.40 : 3,275,730.90 = 764,117.40 : x
  2. Step 2: Convert to fraction form
    2,184,209.40/3,275,730.90 = 764,117.40/x
  3. Step 3: Cross multiply
    2,184,209.40x = 3,275,730.90 × 764,117.40
  4. Step 4: Simplify right side
    2,184,209.40x = 2,503,042,978,407.66
  5. Step 5: Solve for x
    x = 2,503,042,978,407.66/2,184,209.40
  6. Step 6: Final answer
    x = 1,145,972.08

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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.