Finding the Fourth Proportional to 5,116,781.52, 7,679,183.04 and 3,569,716.08
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Solution
The fourth proportional to 5,116,781.52, 7,679,183.04 and 3,569,716.08 is: 5,357,372.22
Step by Step Solution
- Step 1: Write the proportion equation
5,116,781.52 : 7,679,183.04 = 3,569,716.08 : x - Step 2: Convert to fraction form
5,116,781.52/7,679,183.04 = 3,569,716.08/x - Step 3: Cross multiply
5,116,781.52x = 7,679,183.04 × 3,569,716.08 - Step 4: Simplify right side
5,116,781.52x = 27,412,503,179,151.29 - Step 5: Solve for x
x = 27,412,503,179,151.29/5,116,781.52 - Step 6: Final answer
x = 5,357,372.22
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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.