Home / 3,108,211.65-4,662,090-978,904.71

Finding the Fourth Proportional to 3,108,211.65, 4,662,090 and 978,904.71

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Solution

The fourth proportional to 3,108,211.65, 4,662,090 and 978,904.71 is: 1,468,285.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108,211.65 : 4,662,090 = 978,904.71 : x
  2. Step 2: Convert to fraction form
    3,108,211.65/4,662,090 = 978,904.71/x
  3. Step 3: Cross multiply
    3,108,211.65x = 4,662,090 × 978,904.71
  4. Step 4: Simplify right side
    3,108,211.65x = 4,563,741,859,443.90
  5. Step 5: Solve for x
    x = 4,563,741,859,443.90/3,108,211.65
  6. Step 6: Final answer
    x = 1,468,285.42

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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.