Home / 2,170,817.85-2,995,828.65-1,203,890.52

Finding the Fourth Proportional to 2,170,817.85, 2,995,828.65 and 1,203,890.52

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Solution

The fourth proportional to 2,170,817.85, 2,995,828.65 and 1,203,890.52 is: 1,661,424.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170,817.85 : 2,995,828.65 = 1,203,890.52 : x
  2. Step 2: Convert to fraction form
    2,170,817.85/2,995,828.65 = 1,203,890.52/x
  3. Step 3: Cross multiply
    2,170,817.85x = 2,995,828.65 × 1,203,890.52
  4. Step 4: Simplify right side
    2,170,817.85x = 3,606,649,711,279.40
  5. Step 5: Solve for x
    x = 3,606,649,711,279.40/2,170,817.85
  6. Step 6: Final answer
    x = 1,661,424.38

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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.