Finding the Fourth Proportional to 6,385,848.12, 9,573,686.10 and 3,687,112.08
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Solution
The fourth proportional to 6,385,848.12, 9,573,686.10 and 3,687,112.08 is: 5,527,731.48
Step by Step Solution
- Step 1: Write the proportion equation
6,385,848.12 : 9,573,686.10 = 3,687,112.08 : x - Step 2: Convert to fraction form
6,385,848.12/9,573,686.10 = 3,687,112.08/x - Step 3: Cross multiply
6,385,848.12x = 9,573,686.10 × 3,687,112.08 - Step 4: Simplify right side
6,385,848.12x = 35,299,253,669,438.09 - Step 5: Solve for x
x = 35,299,253,669,438.09/6,385,848.12 - Step 6: Final answer
x = 5,527,731.48
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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.