Finding the Fourth Proportional to 2,891,427.18, 3,990,193.14 and 1,602,289.10
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Solution
The fourth proportional to 2,891,427.18, 3,990,193.14 and 1,602,289.10 is: 2,211,172.05
Step by Step Solution
- Step 1: Write the proportion equation
2,891,427.18 : 3,990,193.14 = 1,602,289.10 : x - Step 2: Convert to fraction form
2,891,427.18/3,990,193.14 = 1,602,289.10/x - Step 3: Cross multiply
2,891,427.18x = 3,990,193.14 × 1,602,289.10 - Step 4: Simplify right side
2,891,427.18x = 6,393,442,975,116.78 - Step 5: Solve for x
x = 6,393,442,975,116.78/2,891,427.18 - Step 6: Final answer
x = 2,211,172.05
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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.