Home / 1,855,200.80-2,786,180.40-1,622,957.60

Finding the Fourth Proportional to 1,855,200.80, 2,786,180.40 and 1,622,957.60

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Solution

The fourth proportional to 1,855,200.80, 2,786,180.40 and 1,622,957.60 is: 2,437,392.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,855,200.80 : 2,786,180.40 = 1,622,957.60 : x
  2. Step 2: Convert to fraction form
    1,855,200.80/2,786,180.40 = 1,622,957.60/x
  3. Step 3: Cross multiply
    1,855,200.80x = 2,786,180.40 × 1,622,957.60
  4. Step 4: Simplify right side
    1,855,200.80x = 4,521,852,655,151.04
  5. Step 5: Solve for x
    x = 4,521,852,655,151.04/1,855,200.80
  6. Step 6: Final answer
    x = 2,437,392.58

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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.