Home / 2,907,085.69-4,360,295.80-777,335.88

Finding the Fourth Proportional to 2,907,085.69, 4,360,295.80 and 777,335.88

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Solution

The fourth proportional to 2,907,085.69, 4,360,295.80 and 777,335.88 is: 1,165,914.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,907,085.69 : 4,360,295.80 = 777,335.88 : x
  2. Step 2: Convert to fraction form
    2,907,085.69/4,360,295.80 = 777,335.88/x
  3. Step 3: Cross multiply
    2,907,085.69x = 4,360,295.80 × 777,335.88
  4. Step 4: Simplify right side
    2,907,085.69x = 3,389,414,377,812.75
  5. Step 5: Solve for x
    x = 3,389,414,377,812.75/2,907,085.69
  6. Step 6: Final answer
    x = 1,165,914.85

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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.