Finding the Fourth Proportional to 6,863,207.96, 9,471,238.14 and 3,807,422.24
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Solution
The fourth proportional to 6,863,207.96, 9,471,238.14 and 3,807,422.24 is: 5,254,248.88
Step by Step Solution
- Step 1: Write the proportion equation
6,863,207.96 : 9,471,238.14 = 3,807,422.24 : x - Step 2: Convert to fraction form
6,863,207.96/9,471,238.14 = 3,807,422.24/x - Step 3: Cross multiply
6,863,207.96x = 9,471,238.14 × 3,807,422.24 - Step 4: Simplify right side
6,863,207.96x = 36,061,002,734,572.23 - Step 5: Solve for x
x = 36,061,002,734,572.23/6,863,207.96 - Step 6: Final answer
x = 5,254,248.88
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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.