Finding the Fourth Proportional to 2,376,218.70, 3,564,328.05 and 1,431,434.70
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Solution
The fourth proportional to 2,376,218.70, 3,564,328.05 and 1,431,434.70 is: 2,147,152.05
Step by Step Solution
- Step 1: Write the proportion equation
2,376,218.70 : 3,564,328.05 = 1,431,434.70 : x - Step 2: Convert to fraction form
2,376,218.70/3,564,328.05 = 1,431,434.70/x - Step 3: Cross multiply
2,376,218.70x = 3,564,328.05 × 1,431,434.70 - Step 4: Simplify right side
2,376,218.70x = 5,102,102,852,953.34 - Step 5: Solve for x
x = 5,102,102,852,953.34/2,376,218.70 - Step 6: Final answer
x = 2,147,152.05
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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.