Finding the Fourth Proportional to 2,243,549.21, 3,095,990.30 and 1,276,589.03
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Solution
The fourth proportional to 2,243,549.21, 3,095,990.30 and 1,276,589.03 is: 1,761,631.63
Step by Step Solution
- Step 1: Write the proportion equation
2,243,549.21 : 3,095,990.30 = 1,276,589.03 : x - Step 2: Convert to fraction form
2,243,549.21/3,095,990.30 = 1,276,589.03/x - Step 3: Cross multiply
2,243,549.21x = 3,095,990.30 × 1,276,589.03 - Step 4: Simplify right side
2,243,549.21x = 3,952,307,241,677.93 - Step 5: Solve for x
x = 3,952,307,241,677.93/2,243,549.21 - Step 6: Final answer
x = 1,761,631.63
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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.