Finding the Fourth Proportional to 5,161,884.48, 7,123,214.16 and 2,838,756.96
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Solution
The fourth proportional to 5,161,884.48, 7,123,214.16 and 2,838,756.96 is: 3,917,382.08
Step by Step Solution
- Step 1: Write the proportion equation
5,161,884.48 : 7,123,214.16 = 2,838,756.96 : x - Step 2: Convert to fraction form
5,161,884.48/7,123,214.16 = 2,838,756.96/x - Step 3: Cross multiply
5,161,884.48x = 7,123,214.16 × 2,838,756.96 - Step 4: Simplify right side
5,161,884.48x = 20,221,073,774,270.55 - Step 5: Solve for x
x = 20,221,073,774,270.55/5,161,884.48 - Step 6: Final answer
x = 3,917,382.08
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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.