Home / 3,553,382.89-4,903,668.39-1,921,790.25

Finding the Fourth Proportional to 3,553,382.89, 4,903,668.39 and 1,921,790.25

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Solution

The fourth proportional to 3,553,382.89, 4,903,668.39 and 1,921,790.25 is: 2,652,070.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,553,382.89 : 4,903,668.39 = 1,921,790.25 : x
  2. Step 2: Convert to fraction form
    3,553,382.89/4,903,668.39 = 1,921,790.25/x
  3. Step 3: Cross multiply
    3,553,382.89x = 4,903,668.39 × 1,921,790.25
  4. Step 4: Simplify right side
    3,553,382.89x = 9,423,822,101,135.20
  5. Step 5: Solve for x
    x = 9,423,822,101,135.20/3,553,382.89
  6. Step 6: Final answer
    x = 2,652,070.55

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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.