Finding the Fourth Proportional to 3,547,543.98, 4,895,609.91 and 1,915,951.26
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Solution
The fourth proportional to 3,547,543.98, 4,895,609.91 and 1,915,951.26 is: 2,644,012.32
Step by Step Solution
- Step 1: Write the proportion equation
3,547,543.98 : 4,895,609.91 = 1,915,951.26 : x - Step 2: Convert to fraction form
3,547,543.98/4,895,609.91 = 1,915,951.26/x - Step 3: Cross multiply
3,547,543.98x = 4,895,609.91 × 1,915,951.26 - Step 4: Simplify right side
3,547,543.98x = 9,379,749,975,532.99 - Step 5: Solve for x
x = 9,379,749,975,532.99/3,547,543.98 - Step 6: Final answer
x = 2,644,012.32
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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.