Home / 2,170,817.79-2,995,828.56-1,203,890.46

Finding the Fourth Proportional to 2,170,817.79, 2,995,828.56 and 1,203,890.46

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Solution

The fourth proportional to 2,170,817.79, 2,995,828.56 and 1,203,890.46 is: 1,661,424.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170,817.79 : 2,995,828.56 = 1,203,890.46 : x
  2. Step 2: Convert to fraction form
    2,170,817.79/2,995,828.56 = 1,203,890.46/x
  3. Step 3: Cross multiply
    2,170,817.79x = 2,995,828.56 × 1,203,890.46
  4. Step 4: Simplify right side
    2,170,817.79x = 3,606,649,423,179.54
  5. Step 5: Solve for x
    x = 3,606,649,423,179.54/2,170,817.79
  6. Step 6: Final answer
    x = 1,661,424.30

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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.