Home / 3,465,915.25-4,782,594.82-1,916,930.78

Finding the Fourth Proportional to 3,465,915.25, 4,782,594.82 and 1,916,930.78

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Solution

The fourth proportional to 3,465,915.25, 4,782,594.82 and 1,916,930.78 is: 2,645,160.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,465,915.25 : 4,782,594.82 = 1,916,930.78 : x
  2. Step 2: Convert to fraction form
    3,465,915.25/4,782,594.82 = 1,916,930.78/x
  3. Step 3: Cross multiply
    3,465,915.25x = 4,782,594.82 × 1,916,930.78
  4. Step 4: Simplify right side
    3,465,915.25x = 9,167,903,209,141.91
  5. Step 5: Solve for x
    x = 9,167,903,209,141.91/3,465,915.25
  6. Step 6: Final answer
    x = 2,645,160.82

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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.