Home / 5,078,378.35-7,008,283.24-2,903,123.91

Finding the Fourth Proportional to 5,078,378.35, 7,008,283.24 and 2,903,123.91

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Solution

The fourth proportional to 5,078,378.35, 7,008,283.24 and 2,903,123.91 is: 4,006,380.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,078,378.35 : 7,008,283.24 = 2,903,123.91 : x
  2. Step 2: Convert to fraction form
    5,078,378.35/7,008,283.24 = 2,903,123.91/x
  3. Step 3: Cross multiply
    5,078,378.35x = 7,008,283.24 × 2,903,123.91
  4. Step 4: Simplify right side
    5,078,378.35x = 20,345,914,649,573.76
  5. Step 5: Solve for x
    x = 20,345,914,649,573.76/5,078,378.35
  6. Step 6: Final answer
    x = 4,006,380.23

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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.