Finding the Fourth Proportional to 4,080,233.23, 6,120,128.36 and 1,240,123.95
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Solution
The fourth proportional to 4,080,233.23, 6,120,128.36 and 1,240,123.95 is: 1,860,118.61
Step by Step Solution
- Step 1: Write the proportion equation
4,080,233.23 : 6,120,128.36 = 1,240,123.95 : x - Step 2: Convert to fraction form
4,080,233.23/6,120,128.36 = 1,240,123.95/x - Step 3: Cross multiply
4,080,233.23x = 6,120,128.36 × 1,240,123.95 - Step 4: Simplify right side
4,080,233.23x = 7,589,717,773,135.54 - Step 5: Solve for x
x = 7,589,717,773,135.54/4,080,233.23 - Step 6: Final answer
x = 1,860,118.61
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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.