Finding the Fourth Proportional to 3,290,869.08, 4,936,921.56 and 1,493,878.68
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Solution
The fourth proportional to 3,290,869.08, 4,936,921.56 and 1,493,878.68 is: 2,241,098.53
Step by Step Solution
- Step 1: Write the proportion equation
3,290,869.08 : 4,936,921.56 = 1,493,878.68 : x - Step 2: Convert to fraction form
3,290,869.08/4,936,921.56 = 1,493,878.68/x - Step 3: Cross multiply
3,290,869.08x = 4,936,921.56 × 1,493,878.68 - Step 4: Simplify right side
3,290,869.08x = 7,375,161,863,316.34 - Step 5: Solve for x
x = 7,375,161,863,316.34/3,290,869.08 - Step 6: Final answer
x = 2,241,098.53
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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.