Finding the Fourth Proportional to 3,787,208.97, 5,226,354.22 and 2,155,616.31
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Solution
The fourth proportional to 3,787,208.97, 5,226,354.22 and 2,155,616.31 is: 2,974,753.84
Step by Step Solution
- Step 1: Write the proportion equation
3,787,208.97 : 5,226,354.22 = 2,155,616.31 : x - Step 2: Convert to fraction form
3,787,208.97/5,226,354.22 = 2,155,616.31/x - Step 3: Cross multiply
3,787,208.97x = 5,226,354.22 × 2,155,616.31 - Step 4: Simplify right side
3,787,208.97x = 11,266,014,406,146.17 - Step 5: Solve for x
x = 11,266,014,406,146.17/3,787,208.97 - Step 6: Final answer
x = 2,974,753.84
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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.