Finding the Fourth Proportional to 5,608,431.20, 7,739,595.68 and 3,316,542.68
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Solution
The fourth proportional to 5,608,431.20, 7,739,595.68 and 3,316,542.68 is: 4,576,805.61
Step by Step Solution
- Step 1: Write the proportion equation
5,608,431.20 : 7,739,595.68 = 3,316,542.68 : x - Step 2: Convert to fraction form
5,608,431.20/7,739,595.68 = 3,316,542.68/x - Step 3: Cross multiply
5,608,431.20x = 7,739,595.68 × 3,316,542.68 - Step 4: Simplify right side
5,608,431.20x = 25,668,699,398,663.62 - Step 5: Solve for x
x = 25,668,699,398,663.62/5,608,431.20 - Step 6: Final answer
x = 4,576,805.61
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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.