Home / 2,695,078.20-4,033,286.10-2,471,129.40

Finding the Fourth Proportional to 2,695,078.20, 4,033,286.10 and 2,471,129.40

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Solution

The fourth proportional to 2,695,078.20, 4,033,286.10 and 2,471,129.40 is: 3,698,138.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,695,078.20 : 4,033,286.10 = 2,471,129.40 : x
  2. Step 2: Convert to fraction form
    2,695,078.20/4,033,286.10 = 2,471,129.40/x
  3. Step 3: Cross multiply
    2,695,078.20x = 4,033,286.10 × 2,471,129.40
  4. Step 4: Simplify right side
    2,695,078.20x = 9,966,771,860,321.34
  5. Step 5: Solve for x
    x = 9,966,771,860,321.34/2,695,078.20
  6. Step 6: Final answer
    x = 3,698,138.28

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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.