Finding the Fourth Proportional to 2,841,992.70, 3,921,977.48 and 1,552,832.97
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Solution
The fourth proportional to 2,841,992.70, 3,921,977.48 and 1,552,832.97 is: 2,142,924.55
Step by Step Solution
- Step 1: Write the proportion equation
2,841,992.70 : 3,921,977.48 = 1,552,832.97 : x - Step 2: Convert to fraction form
2,841,992.70/3,921,977.48 = 1,552,832.97/x - Step 3: Cross multiply
2,841,992.70x = 3,921,977.48 × 1,552,832.97 - Step 4: Simplify right side
2,841,992.70x = 6,090,175,930,777.35 - Step 5: Solve for x
x = 6,090,175,930,777.35/2,841,992.70 - Step 6: Final answer
x = 2,142,924.55
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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.