Finding the Fourth Proportional to 4,229,114.70, 6,343,672.05 and 2,953,656.30
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Solution
The fourth proportional to 4,229,114.70, 6,343,672.05 and 2,953,656.30 is: 4,430,484.45
Step by Step Solution
- Step 1: Write the proportion equation
4,229,114.70 : 6,343,672.05 = 2,953,656.30 : x - Step 2: Convert to fraction form
4,229,114.70/6,343,672.05 = 2,953,656.30/x - Step 3: Cross multiply
4,229,114.70x = 6,343,672.05 × 2,953,656.30 - Step 4: Simplify right side
4,229,114.70x = 18,737,026,915,616.41 - Step 5: Solve for x
x = 18,737,026,915,616.41/4,229,114.70 - Step 6: Final answer
x = 4,430,484.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.