Finding the Fourth Proportional to 5,548,943.17, 8,264,902.70 and 5,299,974.28
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Solution
The fourth proportional to 5,548,943.17, 8,264,902.70 and 5,299,974.28 is: 7,894,074.67
Step by Step Solution
- Step 1: Write the proportion equation
5,548,943.17 : 8,264,902.70 = 5,299,974.28 : x - Step 2: Convert to fraction form
5,548,943.17/8,264,902.70 = 5,299,974.28/x - Step 3: Cross multiply
5,548,943.17x = 8,264,902.70 × 5,299,974.28 - Step 4: Simplify right side
5,548,943.17x = 43,803,771,729,290.23 - Step 5: Solve for x
x = 43,803,771,729,290.23/5,548,943.17 - Step 6: Final answer
x = 7,894,074.67
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.