Finding the Fourth Proportional to 5,707,254.06, 7,876,506.29 and 3,129,433.07
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Solution
The fourth proportional to 5,707,254.06, 7,876,506.29 and 3,129,433.07 is: 4,318,889.42
Step by Step Solution
- Step 1: Write the proportion equation
5,707,254.06 : 7,876,506.29 = 3,129,433.07 : x - Step 2: Convert to fraction form
5,707,254.06/7,876,506.29 = 3,129,433.07/x - Step 3: Cross multiply
5,707,254.06x = 7,876,506.29 × 3,129,433.07 - Step 4: Simplify right side
5,707,254.06x = 24,648,999,204,959.31 - Step 5: Solve for x
x = 24,648,999,204,959.31/5,707,254.06 - Step 6: Final answer
x = 4,318,889.42
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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.