Finding the Fourth Proportional to 5,147,543.52, 7,721,374.77 and 1,553,341.62
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Solution
The fourth proportional to 5,147,543.52, 7,721,374.77 and 1,553,341.62 is: 2,330,030.38
Step by Step Solution
- Step 1: Write the proportion equation
5,147,543.52 : 7,721,374.77 = 1,553,341.62 : x - Step 2: Convert to fraction form
5,147,543.52/7,721,374.77 = 1,553,341.62/x - Step 3: Cross multiply
5,147,543.52x = 7,721,374.77 × 1,553,341.62 - Step 4: Simplify right side
5,147,543.52x = 11,993,932,793,858.93 - Step 5: Solve for x
x = 11,993,932,793,858.93/5,147,543.52 - Step 6: Final answer
x = 2,330,030.38
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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.