Home / 5,103,805.32-7,043,247.45-2,811,966

Finding the Fourth Proportional to 5,103,805.32, 7,043,247.45 and 2,811,966

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Solution

The fourth proportional to 5,103,805.32, 7,043,247.45 and 2,811,966 is: 3,880,510.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,103,805.32 : 7,043,247.45 = 2,811,966 : x
  2. Step 2: Convert to fraction form
    5,103,805.32/7,043,247.45 = 2,811,966/x
  3. Step 3: Cross multiply
    5,103,805.32x = 7,043,247.45 × 2,811,966
  4. Step 4: Simplify right side
    5,103,805.32x = 19,805,372,358,986.70
  5. Step 5: Solve for x
    x = 19,805,372,358,986.70/5,103,805.32
  6. Step 6: Final answer
    x = 3,880,510.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.