Finding the Fourth Proportional to 5,557,403.09, 8,334,938.24 and 1,567,381.97
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Solution
The fourth proportional to 5,557,403.09, 8,334,938.24 and 1,567,381.97 is: 2,350,743.99
Step by Step Solution
- Step 1: Write the proportion equation
5,557,403.09 : 8,334,938.24 = 1,567,381.97 : x - Step 2: Convert to fraction form
5,557,403.09/8,334,938.24 = 1,567,381.97/x - Step 3: Cross multiply
5,557,403.09x = 8,334,938.24 × 1,567,381.97 - Step 4: Simplify right side
5,557,403.09x = 13,064,031,910,602.62 - Step 5: Solve for x
x = 13,064,031,910,602.62/5,557,403.09 - Step 6: Final answer
x = 2,350,743.99
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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.