Finding the Fourth Proportional to 4,336,728.84, 5,984,721.20 and 2,403,021.68
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Solution
The fourth proportional to 4,336,728.84, 5,984,721.20 and 2,403,021.68 is: 3,316,189.53
Step by Step Solution
- Step 1: Write the proportion equation
4,336,728.84 : 5,984,721.20 = 2,403,021.68 : x - Step 2: Convert to fraction form
4,336,728.84/5,984,721.20 = 2,403,021.68/x - Step 3: Cross multiply
4,336,728.84x = 5,984,721.20 × 2,403,021.68 - Step 4: Simplify right side
4,336,728.84x = 14,381,414,792,355.62 - Step 5: Solve for x
x = 14,381,414,792,355.62/4,336,728.84 - Step 6: Final answer
x = 3,316,189.53
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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.