Finding the Fourth Proportional to 5,456,646.90, 8,179,721.55 and 4,241,549.70
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Solution
The fourth proportional to 5,456,646.90, 8,179,721.55 and 4,241,549.70 is: 6,358,244.56
Step by Step Solution
- Step 1: Write the proportion equation
5,456,646.90 : 8,179,721.55 = 4,241,549.70 : x - Step 2: Convert to fraction form
5,456,646.90/8,179,721.55 = 4,241,549.70/x - Step 3: Cross multiply
5,456,646.90x = 8,179,721.55 × 4,241,549.70 - Step 4: Simplify right side
5,456,646.90x = 34,694,695,486,486.04 - Step 5: Solve for x
x = 34,694,695,486,486.04/5,456,646.90 - Step 6: Final answer
x = 6,358,244.56
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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.