Home / 2,028,827.70-2,802,698.55-1,620,393.30

Finding the Fourth Proportional to 2,028,827.70, 2,802,698.55 and 1,620,393.30

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Solution

The fourth proportional to 2,028,827.70, 2,802,698.55 and 1,620,393.30 is: 2,238,471.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,028,827.70 : 2,802,698.55 = 1,620,393.30 : x
  2. Step 2: Convert to fraction form
    2,028,827.70/2,802,698.55 = 1,620,393.30/x
  3. Step 3: Cross multiply
    2,028,827.70x = 2,802,698.55 × 1,620,393.30
  4. Step 4: Simplify right side
    2,028,827.70x = 4,541,473,952,339.72
  5. Step 5: Solve for x
    x = 4,541,473,952,339.72/2,028,827.70
  6. Step 6: Final answer
    x = 2,238,471.98

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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.