Home / 2,859,728.22-4,289,588.71-729,812.39

Finding the Fourth Proportional to 2,859,728.22, 4,289,588.71 and 729,812.39

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Solution

The fourth proportional to 2,859,728.22, 4,289,588.71 and 729,812.39 is: 1,094,717.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,859,728.22 : 4,289,588.71 = 729,812.39 : x
  2. Step 2: Convert to fraction form
    2,859,728.22/4,289,588.71 = 729,812.39/x
  3. Step 3: Cross multiply
    2,859,728.22x = 4,289,588.71 × 729,812.39
  4. Step 4: Simplify right side
    2,859,728.22x = 3,130,594,965,289.64
  5. Step 5: Solve for x
    x = 3,130,594,965,289.64/2,859,728.22
  6. Step 6: Final answer
    x = 1,094,717.65

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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.