Finding the Fourth Proportional to 2,828,161.14, 3,902,944.50 and 1,539,084.66
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Solution
The fourth proportional to 2,828,161.14, 3,902,944.50 and 1,539,084.66 is: 2,123,981.52
Step by Step Solution
- Step 1: Write the proportion equation
2,828,161.14 : 3,902,944.50 = 1,539,084.66 : x - Step 2: Convert to fraction form
2,828,161.14/3,902,944.50 = 1,539,084.66/x - Step 3: Cross multiply
2,828,161.14x = 3,902,944.50 × 1,539,084.66 - Step 4: Simplify right side
2,828,161.14x = 6,006,962,008,781.37 - Step 5: Solve for x
x = 6,006,962,008,781.37/2,828,161.14 - Step 6: Final answer
x = 2,123,981.52
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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.