Finding the Fourth Proportional to 5,387,097.93, 7,434,352.18 and 2,939,866.61
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Solution
The fourth proportional to 5,387,097.93, 7,434,352.18 and 2,939,866.61 is: 4,057,101.62
Step by Step Solution
- Step 1: Write the proportion equation
5,387,097.93 : 7,434,352.18 = 2,939,866.61 : x - Step 2: Convert to fraction form
5,387,097.93/7,434,352.18 = 2,939,866.61/x - Step 3: Cross multiply
5,387,097.93x = 7,434,352.18 × 2,939,866.61 - Step 4: Simplify right side
5,387,097.93x = 21,856,003,703,790.95 - Step 5: Solve for x
x = 21,856,003,703,790.95/5,387,097.93 - Step 6: Final answer
x = 4,057,101.62
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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.