Finding the Fourth Proportional to 4,102,661.88, 5,662,014.30 and 2,267,478.49
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Solution
The fourth proportional to 4,102,661.88, 5,662,014.30 and 2,267,478.49 is: 3,129,308.73
Step by Step Solution
- Step 1: Write the proportion equation
4,102,661.88 : 5,662,014.30 = 2,267,478.49 : x - Step 2: Convert to fraction form
4,102,661.88/5,662,014.30 = 2,267,478.49/x - Step 3: Cross multiply
4,102,661.88x = 5,662,014.30 × 2,267,478.49 - Step 4: Simplify right side
4,102,661.88x = 12,838,495,623,985.02 - Step 5: Solve for x
x = 12,838,495,623,985.02/4,102,661.88 - Step 6: Final answer
x = 3,129,308.73
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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.