Finding the Fourth Proportional to 3,171,770.17, 4,377,084.83 and 1,721,482.99
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Solution
The fourth proportional to 3,171,770.17, 4,377,084.83 and 1,721,482.99 is: 2,375,669.32
Step by Step Solution
- Step 1: Write the proportion equation
3,171,770.17 : 4,377,084.83 = 1,721,482.99 : x - Step 2: Convert to fraction form
3,171,770.17/4,377,084.83 = 1,721,482.99/x - Step 3: Cross multiply
3,171,770.17x = 4,377,084.83 × 1,721,482.99 - Step 4: Simplify right side
3,171,770.17x = 7,535,077,072,024.63 - Step 5: Solve for x
x = 7,535,077,072,024.63/3,171,770.17 - Step 6: Final answer
x = 2,375,669.32
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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.