Home / 3,120,415.70-4,680,623.55-2,616,530.90

Finding the Fourth Proportional to 3,120,415.70, 4,680,623.55 and 2,616,530.90

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Solution

The fourth proportional to 3,120,415.70, 4,680,623.55 and 2,616,530.90 is: 3,924,796.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,415.70 : 4,680,623.55 = 2,616,530.90 : x
  2. Step 2: Convert to fraction form
    3,120,415.70/4,680,623.55 = 2,616,530.90/x
  3. Step 3: Cross multiply
    3,120,415.70x = 4,680,623.55 × 2,616,530.90
  4. Step 4: Simplify right side
    3,120,415.70x = 12,246,996,149,842.69
  5. Step 5: Solve for x
    x = 12,246,996,149,842.69/3,120,415.70
  6. Step 6: Final answer
    x = 3,924,796.35

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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.