Home / 2,078,666.20-3,120,332.10-1,607,440.60

Finding the Fourth Proportional to 2,078,666.20, 3,120,332.10 and 1,607,440.60

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Solution

The fourth proportional to 2,078,666.20, 3,120,332.10 and 1,607,440.60 is: 2,412,964.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,666.20 : 3,120,332.10 = 1,607,440.60 : x
  2. Step 2: Convert to fraction form
    2,078,666.20/3,120,332.10 = 1,607,440.60/x
  3. Step 3: Cross multiply
    2,078,666.20x = 3,120,332.10 × 1,607,440.60
  4. Step 4: Simplify right side
    2,078,666.20x = 5,015,748,503,023.26
  5. Step 5: Solve for x
    x = 5,015,748,503,023.26/2,078,666.20
  6. Step 6: Final answer
    x = 2,412,964.86

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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.