Finding the Fourth Proportional to 3,338,393.86, 4,607,230.98 and 1,868,449.42
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Solution
The fourth proportional to 3,338,393.86, 4,607,230.98 and 1,868,449.42 is: 2,578,598.70
Step by Step Solution
- Step 1: Write the proportion equation
3,338,393.86 : 4,607,230.98 = 1,868,449.42 : x - Step 2: Convert to fraction form
3,338,393.86/4,607,230.98 = 1,868,449.42/x - Step 3: Cross multiply
3,338,393.86x = 4,607,230.98 × 1,868,449.42 - Step 4: Simplify right side
3,338,393.86x = 8,608,378,052,387.03 - Step 5: Solve for x
x = 8,608,378,052,387.03/3,338,393.86 - Step 6: Final answer
x = 2,578,598.70
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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.