Home / 3,440,916.72-4,748,196.12-1,912,930.80

Finding the Fourth Proportional to 3,440,916.72, 4,748,196.12 and 1,912,930.80

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Solution

The fourth proportional to 3,440,916.72, 4,748,196.12 and 1,912,930.80 is: 2,639,694.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440,916.72 : 4,748,196.12 = 1,912,930.80 : x
  2. Step 2: Convert to fraction form
    3,440,916.72/4,748,196.12 = 1,912,930.80/x
  3. Step 3: Cross multiply
    3,440,916.72x = 4,748,196.12 × 1,912,930.80
  4. Step 4: Simplify right side
    3,440,916.72x = 9,082,970,602,388.50
  5. Step 5: Solve for x
    x = 9,082,970,602,388.50/3,440,916.72
  6. Step 6: Final answer
    x = 2,639,694.98

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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.