Home / 2,087,891.75-2,881,241.61-1,228,507.67

Finding the Fourth Proportional to 2,087,891.75, 2,881,241.61 and 1,228,507.67

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Solution

The fourth proportional to 2,087,891.75, 2,881,241.61 and 1,228,507.67 is: 1,695,311.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,891.75 : 2,881,241.61 = 1,228,507.67 : x
  2. Step 2: Convert to fraction form
    2,087,891.75/2,881,241.61 = 1,228,507.67/x
  3. Step 3: Cross multiply
    2,087,891.75x = 2,881,241.61 × 1,228,507.67
  4. Step 4: Simplify right side
    2,087,891.75x = 3,539,627,417,008.15
  5. Step 5: Solve for x
    x = 3,539,627,417,008.15/2,087,891.75
  6. Step 6: Final answer
    x = 1,695,311.75

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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.