Finding the Fourth Proportional to 3,211,813.80, 4,432,290.30 and 1,761,471
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Solution
The fourth proportional to 3,211,813.80, 4,432,290.30 and 1,761,471 is: 2,430,822.99
Step by Step Solution
- Step 1: Write the proportion equation
3,211,813.80 : 4,432,290.30 = 1,761,471 : x - Step 2: Convert to fraction form
3,211,813.80/4,432,290.30 = 1,761,471/x - Step 3: Cross multiply
3,211,813.80x = 4,432,290.30 × 1,761,471 - Step 4: Simplify right side
3,211,813.80x = 7,807,350,827,031.30 - Step 5: Solve for x
x = 7,807,350,827,031.30/3,211,813.80 - Step 6: Final answer
x = 2,430,822.99
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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.