Finding the Fourth Proportional to 2,668,583.18, 4,003,120.84 and 871,476.06
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Solution
The fourth proportional to 2,668,583.18, 4,003,120.84 and 871,476.06 is: 1,307,294.45
Step by Step Solution
- Step 1: Write the proportion equation
2,668,583.18 : 4,003,120.84 = 871,476.06 : x - Step 2: Convert to fraction form
2,668,583.18/4,003,120.84 = 871,476.06/x - Step 3: Cross multiply
2,668,583.18x = 4,003,120.84 × 871,476.06 - Step 4: Simplify right side
2,668,583.18x = 3,488,623,977,347.09 - Step 5: Solve for x
x = 3,488,623,977,347.09/2,668,583.18 - Step 6: Final answer
x = 1,307,294.45
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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.