Finding the Fourth Proportional to 7,278,571.56, 10,917,901.08 and 3,234,108.72
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Solution
The fourth proportional to 7,278,571.56, 10,917,901.08 and 3,234,108.72 is: 4,851,182.52
Step by Step Solution
- Step 1: Write the proportion equation
7,278,571.56 : 10,917,901.08 = 3,234,108.72 : x - Step 2: Convert to fraction form
7,278,571.56/10,917,901.08 = 3,234,108.72/x - Step 3: Cross multiply
7,278,571.56x = 10,917,901.08 × 3,234,108.72 - Step 4: Simplify right side
7,278,571.56x = 35,309,679,086,925.42 - Step 5: Solve for x
x = 35,309,679,086,925.42/7,278,571.56 - Step 6: Final answer
x = 4,851,182.52
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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.