Home / 6,961,891.43-10,442,822.78-3,927,880

Finding the Fourth Proportional to 6,961,891.43, 10,442,822.78 and 3,927,880

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Solution

The fourth proportional to 6,961,891.43, 10,442,822.78 and 3,927,880 is: 5,891,811.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,961,891.43 : 10,442,822.78 = 3,927,880 : x
  2. Step 2: Convert to fraction form
    6,961,891.43/10,442,822.78 = 3,927,880/x
  3. Step 3: Cross multiply
    6,961,891.43x = 10,442,822.78 × 3,927,880
  4. Step 4: Simplify right side
    6,961,891.43x = 41,018,154,741,106.40
  5. Step 5: Solve for x
    x = 41,018,154,741,106.40/6,961,891.43
  6. Step 6: Final answer
    x = 5,891,811.90

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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.