Finding the Fourth Proportional to 5,192,451.70, 7,788,677.55 and 2,952,963.70
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Solution
The fourth proportional to 5,192,451.70, 7,788,677.55 and 2,952,963.70 is: 4,429,445.55
Step by Step Solution
- Step 1: Write the proportion equation
5,192,451.70 : 7,788,677.55 = 2,952,963.70 : x - Step 2: Convert to fraction form
5,192,451.70/7,788,677.55 = 2,952,963.70/x - Step 3: Cross multiply
5,192,451.70x = 7,788,677.55 × 2,952,963.70 - Step 4: Simplify right side
5,192,451.70x = 22,999,682,076,154.94 - Step 5: Solve for x
x = 22,999,682,076,154.94/5,192,451.70 - Step 6: Final answer
x = 4,429,445.55
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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.