Finding the Fourth Proportional to 5,214,482.52, 7,196,001.37 and 2,891,538.68
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Solution
The fourth proportional to 5,214,482.52, 7,196,001.37 and 2,891,538.68 is: 3,990,331.97
Step by Step Solution
- Step 1: Write the proportion equation
5,214,482.52 : 7,196,001.37 = 2,891,538.68 : x - Step 2: Convert to fraction form
5,214,482.52/7,196,001.37 = 2,891,538.68/x - Step 3: Cross multiply
5,214,482.52x = 7,196,001.37 × 2,891,538.68 - Step 4: Simplify right side
5,214,482.52x = 20,807,516,302,687.99 - Step 5: Solve for x
x = 20,807,516,302,687.99/5,214,482.52 - Step 6: Final answer
x = 3,990,331.97
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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.