Home / 2,159,917.50-3,240,401.13-664,009.50

Finding the Fourth Proportional to 2,159,917.50, 3,240,401.13 and 664,009.50

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Solution

The fourth proportional to 2,159,917.50, 3,240,401.13 and 664,009.50 is: 996,175.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,159,917.50 : 3,240,401.13 = 664,009.50 : x
  2. Step 2: Convert to fraction form
    2,159,917.50/3,240,401.13 = 664,009.50/x
  3. Step 3: Cross multiply
    2,159,917.50x = 3,240,401.13 × 664,009.50
  4. Step 4: Simplify right side
    2,159,917.50x = 2,151,657,134,130.74
  5. Step 5: Solve for x
    x = 2,151,657,134,130.74/2,159,917.50
  6. Step 6: Final answer
    x = 996,175.61

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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.