Finding the Fourth Proportional to 4,445,772.48, 6,135,448.68 and 2,726,658.72
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Solution
The fourth proportional to 4,445,772.48, 6,135,448.68 and 2,726,658.72 is: 3,762,962.39
Step by Step Solution
- Step 1: Write the proportion equation
4,445,772.48 : 6,135,448.68 = 2,726,658.72 : x - Step 2: Convert to fraction form
4,445,772.48/6,135,448.68 = 2,726,658.72/x - Step 3: Cross multiply
4,445,772.48x = 6,135,448.68 × 2,726,658.72 - Step 4: Simplify right side
4,445,772.48x = 16,729,274,644,434.49 - Step 5: Solve for x
x = 16,729,274,644,434.49/4,445,772.48 - Step 6: Final answer
x = 3,762,962.39
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1.5x scale
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.