Finding the Fourth Proportional to 1,609,981.70, 2,414,972.55 and 1,137,589.70
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Solution
The fourth proportional to 1,609,981.70, 2,414,972.55 and 1,137,589.70 is: 1,706,384.55
Step by Step Solution
- Step 1: Write the proportion equation
1,609,981.70 : 2,414,972.55 = 1,137,589.70 : x - Step 2: Convert to fraction form
1,609,981.70/2,414,972.55 = 1,137,589.70/x - Step 3: Cross multiply
1,609,981.70x = 2,414,972.55 × 1,137,589.70 - Step 4: Simplify right side
1,609,981.70x = 2,747,247,898,662.74 - Step 5: Solve for x
x = 2,747,247,898,662.74/1,609,981.70 - Step 6: Final answer
x = 1,706,384.55
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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.