Home / 2,100,030.20-3,145,379.70-1,726,782.20

Finding the Fourth Proportional to 2,100,030.20, 3,145,379.70 and 1,726,782.20

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Solution

The fourth proportional to 2,100,030.20, 3,145,379.70 and 1,726,782.20 is: 2,586,336.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,100,030.20 : 3,145,379.70 = 1,726,782.20 : x
  2. Step 2: Convert to fraction form
    2,100,030.20/3,145,379.70 = 1,726,782.20/x
  3. Step 3: Cross multiply
    2,100,030.20x = 3,145,379.70 × 1,726,782.20
  4. Step 4: Simplify right side
    2,100,030.20x = 5,431,385,678,201.34
  5. Step 5: Solve for x
    x = 5,431,385,678,201.34/2,100,030.20
  6. Step 6: Final answer
    x = 2,586,336.94

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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.