Home / 2,118,863.54-3,177,954.84-581,499.78

Finding the Fourth Proportional to 2,118,863.54, 3,177,954.84 and 581,499.78

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Solution

The fourth proportional to 2,118,863.54, 3,177,954.84 and 581,499.78 is: 872,156.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118,863.54 : 3,177,954.84 = 581,499.78 : x
  2. Step 2: Convert to fraction form
    2,118,863.54/3,177,954.84 = 581,499.78/x
  3. Step 3: Cross multiply
    2,118,863.54x = 3,177,954.84 × 581,499.78
  4. Step 4: Simplify right side
    2,118,863.54x = 1,847,980,030,573.23
  5. Step 5: Solve for x
    x = 1,847,980,030,573.23/2,118,863.54
  6. Step 6: Final answer
    x = 872,156.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.