Finding the Fourth Proportional to 5,674,543.30, 7,830,644.09 and 3,352,181.57
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Solution
The fourth proportional to 5,674,543.30, 7,830,644.09 and 3,352,181.57 is: 4,625,877.26
Step by Step Solution
- Step 1: Write the proportion equation
5,674,543.30 : 7,830,644.09 = 3,352,181.57 : x - Step 2: Convert to fraction form
5,674,543.30/7,830,644.09 = 3,352,181.57/x - Step 3: Cross multiply
5,674,543.30x = 7,830,644.09 × 3,352,181.57 - Step 4: Simplify right side
5,674,543.30x = 26,249,740,799,727.42 - Step 5: Solve for x
x = 26,249,740,799,727.42/5,674,543.30 - Step 6: Final answer
x = 4,625,877.26
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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.