Home / 4,885,428.70-7,328,143.05-3,672,955.90

Finding the Fourth Proportional to 4,885,428.70, 7,328,143.05 and 3,672,955.90

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Solution

The fourth proportional to 4,885,428.70, 7,328,143.05 and 3,672,955.90 is: 5,509,433.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,885,428.70 : 7,328,143.05 = 3,672,955.90 : x
  2. Step 2: Convert to fraction form
    4,885,428.70/7,328,143.05 = 3,672,955.90/x
  3. Step 3: Cross multiply
    4,885,428.70x = 7,328,143.05 × 3,672,955.90
  4. Step 4: Simplify right side
    4,885,428.70x = 26,915,946,251,541.49
  5. Step 5: Solve for x
    x = 26,915,946,251,541.49/4,885,428.70
  6. Step 6: Final answer
    x = 5,509,433.85

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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.