Finding the Fourth Proportional to 2,398,415.70, 3,310,151.27 and 1,526,972.07
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Solution
The fourth proportional to 2,398,415.70, 3,310,151.27 and 1,526,972.07 is: 2,107,436.39
Step by Step Solution
- Step 1: Write the proportion equation
2,398,415.70 : 3,310,151.27 = 1,526,972.07 : x - Step 2: Convert to fraction form
2,398,415.70/3,310,151.27 = 1,526,972.07/x - Step 3: Cross multiply
2,398,415.70x = 3,310,151.27 × 1,526,972.07 - Step 4: Simplify right side
2,398,415.70x = 5,054,508,529,130.17 - Step 5: Solve for x
x = 5,054,508,529,130.17/2,398,415.70 - Step 6: Final answer
x = 2,107,436.39
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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.