Home / 2,336,121.90-3,497,184.45-1,389,005.10

Finding the Fourth Proportional to 2,336,121.90, 3,497,184.45 and 1,389,005.10

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Solution

The fourth proportional to 2,336,121.90, 3,497,184.45 and 1,389,005.10 is: 2,079,346.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,336,121.90 : 3,497,184.45 = 1,389,005.10 : x
  2. Step 2: Convert to fraction form
    2,336,121.90/3,497,184.45 = 1,389,005.10/x
  3. Step 3: Cross multiply
    2,336,121.90x = 3,497,184.45 × 1,389,005.10
  4. Step 4: Simplify right side
    2,336,121.90x = 4,857,607,036,690.70
  5. Step 5: Solve for x
    x = 4,857,607,036,690.70/2,336,121.90
  6. Step 6: Final answer
    x = 2,079,346.56

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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.