Finding the Fourth Proportional to 4,342,589.68, 6,513,939.97 and 1,147,688.25
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Solution
The fourth proportional to 4,342,589.68, 6,513,939.97 and 1,147,688.25 is: 1,721,547.03
Step by Step Solution
- Step 1: Write the proportion equation
4,342,589.68 : 6,513,939.97 = 1,147,688.25 : x - Step 2: Convert to fraction form
4,342,589.68/6,513,939.97 = 1,147,688.25/x - Step 3: Cross multiply
4,342,589.68x = 6,513,939.97 × 1,147,688.25 - Step 4: Simplify right side
4,342,589.68x = 7,475,972,361,905.13 - Step 5: Solve for x
x = 7,475,972,361,905.13/4,342,589.68 - Step 6: Final answer
x = 1,721,547.03
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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.