Home / 5,638,868.45-7,795,869.61-4,166,454.68

Finding the Fourth Proportional to 5,638,868.45, 7,795,869.61 and 4,166,454.68

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Solution

The fourth proportional to 5,638,868.45, 7,795,869.61 and 4,166,454.68 is: 5,760,222.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,638,868.45 : 7,795,869.61 = 4,166,454.68 : x
  2. Step 2: Convert to fraction form
    5,638,868.45/7,795,869.61 = 4,166,454.68/x
  3. Step 3: Cross multiply
    5,638,868.45x = 7,795,869.61 × 4,166,454.68
  4. Step 4: Simplify right side
    5,638,868.45x = 32,481,137,421,254.28
  5. Step 5: Solve for x
    x = 32,481,137,421,254.28/5,638,868.45
  6. Step 6: Final answer
    x = 5,760,222.59

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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.