Home / 3,553,427.61-4,903,715.97-1,921,836.78

Finding the Fourth Proportional to 3,553,427.61, 4,903,715.97 and 1,921,836.78

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Solution

The fourth proportional to 3,553,427.61, 4,903,715.97 and 1,921,836.78 is: 2,652,127.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,553,427.61 : 4,903,715.97 = 1,921,836.78 : x
  2. Step 2: Convert to fraction form
    3,553,427.61/4,903,715.97 = 1,921,836.78/x
  3. Step 3: Cross multiply
    3,553,427.61x = 4,903,715.97 × 1,921,836.78
  4. Step 4: Simplify right side
    3,553,427.61x = 9,424,141,709,819.38
  5. Step 5: Solve for x
    x = 9,424,141,709,819.38/3,553,427.61
  6. Step 6: Final answer
    x = 2,652,127.11

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1.5x scale

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.