Finding the Fourth Proportional to 1,536,092.20, 2,304,138.30 and 1,389,125.80
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Solution
The fourth proportional to 1,536,092.20, 2,304,138.30 and 1,389,125.80 is: 2,083,688.70
Step by Step Solution
- Step 1: Write the proportion equation
1,536,092.20 : 2,304,138.30 = 1,389,125.80 : x - Step 2: Convert to fraction form
1,536,092.20/2,304,138.30 = 1,389,125.80/x - Step 3: Cross multiply
1,536,092.20x = 2,304,138.30 × 1,389,125.80 - Step 4: Simplify right side
1,536,092.20x = 3,200,737,959,298.14 - Step 5: Solve for x
x = 3,200,737,959,298.14/1,536,092.20 - Step 6: Final answer
x = 2,083,688.70
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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.