Finding the Fourth Proportional to 5,567,924.49, 7,684,275.11 and 3,120,951.21
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Solution
The fourth proportional to 5,567,924.49, 7,684,275.11 and 3,120,951.21 is: 4,307,214.96
Step by Step Solution
- Step 1: Write the proportion equation
5,567,924.49 : 7,684,275.11 = 3,120,951.21 : x - Step 2: Convert to fraction form
5,567,924.49/7,684,275.11 = 3,120,951.21/x - Step 3: Cross multiply
5,567,924.49x = 7,684,275.11 × 3,120,951.21 - Step 4: Simplify right side
5,567,924.49x = 23,982,247,686,922.63 - Step 5: Solve for x
x = 23,982,247,686,922.63/5,567,924.49 - Step 6: Final answer
x = 4,307,214.96
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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.