Home / 2,591,784.80-3,886,510.80-993,816.80

Finding the Fourth Proportional to 2,591,784.80, 3,886,510.80 and 993,816.80

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Solution

The fourth proportional to 2,591,784.80, 3,886,510.80 and 993,816.80 is: 1,490,277.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,591,784.80 : 3,886,510.80 = 993,816.80 : x
  2. Step 2: Convert to fraction form
    2,591,784.80/3,886,510.80 = 993,816.80/x
  3. Step 3: Cross multiply
    2,591,784.80x = 3,886,510.80 × 993,816.80
  4. Step 4: Simplify right side
    2,591,784.80x = 3,862,479,726,421.44
  5. Step 5: Solve for x
    x = 3,862,479,726,421.44/2,591,784.80
  6. Step 6: Final answer
    x = 1,490,277.95

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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.