Home / 3,269,887.81-4,509,889.00-2,124,337.21

Finding the Fourth Proportional to 3,269,887.81, 4,509,889.00 and 2,124,337.21

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Solution

The fourth proportional to 3,269,887.81, 4,509,889.00 and 2,124,337.21 is: 2,929,924.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,269,887.81 : 4,509,889.00 = 2,124,337.21 : x
  2. Step 2: Convert to fraction form
    3,269,887.81/4,509,889.00 = 2,124,337.21/x
  3. Step 3: Cross multiply
    3,269,887.81x = 4,509,889.00 × 2,124,337.21
  4. Step 4: Simplify right side
    3,269,887.81x = 9,580,524,999,084.12
  5. Step 5: Solve for x
    x = 9,580,524,999,084.12/3,269,887.81
  6. Step 6: Final answer
    x = 2,929,924.68

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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.