Home / 2,160,698.20-3,239,065.86-829,999.96

Finding the Fourth Proportional to 2,160,698.20, 3,239,065.86 and 829,999.96

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Solution

The fourth proportional to 2,160,698.20, 3,239,065.86 and 829,999.96 is: 1,244,238.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,160,698.20 : 3,239,065.86 = 829,999.96 : x
  2. Step 2: Convert to fraction form
    2,160,698.20/3,239,065.86 = 829,999.96/x
  3. Step 3: Cross multiply
    2,160,698.20x = 3,239,065.86 × 829,999.96
  4. Step 4: Simplify right side
    2,160,698.20x = 2,688,424,534,237.37
  5. Step 5: Solve for x
    x = 2,688,424,534,237.37/2,160,698.20
  6. Step 6: Final answer
    x = 1,244,238.80

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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.