Home / 2,109,597.64-3,164,483.82-613,689.64

Finding the Fourth Proportional to 2,109,597.64, 3,164,483.82 and 613,689.64

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Solution

The fourth proportional to 2,109,597.64, 3,164,483.82 and 613,689.64 is: 920,559.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,597.64 : 3,164,483.82 = 613,689.64 : x
  2. Step 2: Convert to fraction form
    2,109,597.64/3,164,483.82 = 613,689.64/x
  3. Step 3: Cross multiply
    2,109,597.64x = 3,164,483.82 × 613,689.64
  4. Step 4: Simplify right side
    2,109,597.64x = 1,942,010,936,281.62
  5. Step 5: Solve for x
    x = 1,942,010,936,281.62/2,109,597.64
  6. Step 6: Final answer
    x = 920,559.87

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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.