Home / 3,905,812.40-5,872,715.40-3,289,953.20

Finding the Fourth Proportional to 3,905,812.40, 5,872,715.40 and 3,289,953.20

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Solution

The fourth proportional to 3,905,812.40, 5,872,715.40 and 3,289,953.20 is: 4,946,719.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,905,812.40 : 5,872,715.40 = 3,289,953.20 : x
  2. Step 2: Convert to fraction form
    3,905,812.40/5,872,715.40 = 3,289,953.20/x
  3. Step 3: Cross multiply
    3,905,812.40x = 5,872,715.40 × 3,289,953.20
  4. Step 4: Simplify right side
    3,905,812.40x = 19,320,958,822,919.28
  5. Step 5: Solve for x
    x = 19,320,958,822,919.28/3,905,812.40
  6. Step 6: Final answer
    x = 4,946,719.62

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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.