Finding the Fourth Proportional to 5,450,460.70, 8,175,691.05 and 4,387,578.70
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Solution
The fourth proportional to 5,450,460.70, 8,175,691.05 and 4,387,578.70 is: 6,581,368.05
Step by Step Solution
- Step 1: Write the proportion equation
5,450,460.70 : 8,175,691.05 = 4,387,578.70 : x - Step 2: Convert to fraction form
5,450,460.70/8,175,691.05 = 4,387,578.70/x - Step 3: Cross multiply
5,450,460.70x = 8,175,691.05 × 4,387,578.70 - Step 4: Simplify right side
5,450,460.70x = 35,871,487,908,760.63 - Step 5: Solve for x
x = 35,871,487,908,760.63/5,450,460.70 - Step 6: Final answer
x = 6,581,368.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.