Finding the Fourth Proportional to 5,384,612.18, 7,430,812.28 and 2,937,234.11
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Solution
The fourth proportional to 5,384,612.18, 7,430,812.28 and 2,937,234.11 is: 4,053,408.96
Step by Step Solution
- Step 1: Write the proportion equation
5,384,612.18 : 7,430,812.28 = 2,937,234.11 : x - Step 2: Convert to fraction form
5,384,612.18/7,430,812.28 = 2,937,234.11/x - Step 3: Cross multiply
5,384,612.18x = 7,430,812.28 × 2,937,234.11 - Step 4: Simplify right side
5,384,612.18x = 21,826,035,279,136.70 - Step 5: Solve for x
x = 21,826,035,279,136.70/5,384,612.18 - Step 6: Final answer
x = 4,053,408.96
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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.