Home / 1,889,905.80-2,834,121.60-824,221.20

Finding the Fourth Proportional to 1,889,905.80, 2,834,121.60 and 824,221.20

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Solution

The fourth proportional to 1,889,905.80, 2,834,121.60 and 824,221.20 is: 1,236,010.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,905.80 : 2,834,121.60 = 824,221.20 : x
  2. Step 2: Convert to fraction form
    1,889,905.80/2,834,121.60 = 824,221.20/x
  3. Step 3: Cross multiply
    1,889,905.80x = 2,834,121.60 × 824,221.20
  4. Step 4: Simplify right side
    1,889,905.80x = 2,335,943,106,097.92
  5. Step 5: Solve for x
    x = 2,335,943,106,097.92/1,889,905.80
  6. Step 6: Final answer
    x = 1,236,010.34

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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.