Home / 2,208,394.94-3,312,590.78-712,486.94

Finding the Fourth Proportional to 2,208,394.94, 3,312,590.78 and 712,486.94

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Solution

The fourth proportional to 2,208,394.94, 3,312,590.78 and 712,486.94 is: 1,068,729.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208,394.94 : 3,312,590.78 = 712,486.94 : x
  2. Step 2: Convert to fraction form
    2,208,394.94/3,312,590.78 = 712,486.94/x
  3. Step 3: Cross multiply
    2,208,394.94x = 3,312,590.78 × 712,486.94
  4. Step 4: Simplify right side
    2,208,394.94x = 2,360,177,653,532.68
  5. Step 5: Solve for x
    x = 2,360,177,653,532.68/2,208,394.94
  6. Step 6: Final answer
    x = 1,068,729.88

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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.