Finding the Fourth Proportional to 3,688,219.04, 5,090,241.49 and 2,160,934.88
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Solution
The fourth proportional to 3,688,219.04, 5,090,241.49 and 2,160,934.88 is: 2,982,382.62
Step by Step Solution
- Step 1: Write the proportion equation
3,688,219.04 : 5,090,241.49 = 2,160,934.88 : x - Step 2: Convert to fraction form
3,688,219.04/5,090,241.49 = 2,160,934.88/x - Step 3: Cross multiply
3,688,219.04x = 5,090,241.49 × 2,160,934.88 - Step 4: Simplify right side
3,688,219.04x = 10,999,680,352,510.63 - Step 5: Solve for x
x = 10,999,680,352,510.63/3,688,219.04 - Step 6: Final answer
x = 2,982,382.62
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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.