Home / 4,719,812.40-7,083,217.80-3,121,844.40

Finding the Fourth Proportional to 4,719,812.40, 7,083,217.80 and 3,121,844.40

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Solution

The fourth proportional to 4,719,812.40, 7,083,217.80 and 3,121,844.40 is: 4,685,081.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,719,812.40 : 7,083,217.80 = 3,121,844.40 : x
  2. Step 2: Convert to fraction form
    4,719,812.40/7,083,217.80 = 3,121,844.40/x
  3. Step 3: Cross multiply
    4,719,812.40x = 7,083,217.80 × 3,121,844.40
  4. Step 4: Simplify right side
    4,719,812.40x = 22,112,703,822,910.32
  5. Step 5: Solve for x
    x = 22,112,703,822,910.32/4,719,812.40
  6. Step 6: Final answer
    x = 4,685,081.09

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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.