Finding the Fourth Proportional to 6,368,056.56, 8,791,562.52 and 4,198,909.68
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Solution
The fourth proportional to 6,368,056.56, 8,791,562.52 and 4,198,909.68 is: 5,796,898.41
Step by Step Solution
- Step 1: Write the proportion equation
6,368,056.56 : 8,791,562.52 = 4,198,909.68 : x - Step 2: Convert to fraction form
6,368,056.56/8,791,562.52 = 4,198,909.68/x - Step 3: Cross multiply
6,368,056.56x = 8,791,562.52 × 4,198,909.68 - Step 4: Simplify right side
6,368,056.56x = 36,914,976,967,553.19 - Step 5: Solve for x
x = 36,914,976,967,553.19/6,368,056.56 - Step 6: Final answer
x = 5,796,898.41
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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.