Finding the Fourth Proportional to 5,261,959.08, 7,261,503.38 and 2,847,511.08
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Solution
The fourth proportional to 5,261,959.08, 7,261,503.38 and 2,847,511.08 is: 3,929,565.21
Step by Step Solution
- Step 1: Write the proportion equation
5,261,959.08 : 7,261,503.38 = 2,847,511.08 : x - Step 2: Convert to fraction form
5,261,959.08/7,261,503.38 = 2,847,511.08/x - Step 3: Cross multiply
5,261,959.08x = 7,261,503.38 × 2,847,511.08 - Step 4: Simplify right side
5,261,959.08x = 20,677,211,332,007.45 - Step 5: Solve for x
x = 20,677,211,332,007.45/5,261,959.08 - Step 6: Final answer
x = 3,929,565.21
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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.