Finding the Fourth Proportional to 6,578,940.40, 9,863,409.12 and 4,551,795.52
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Solution
The fourth proportional to 6,578,940.40, 9,863,409.12 and 4,551,795.52 is: 6,824,232.89
Step by Step Solution
- Step 1: Write the proportion equation
6,578,940.40 : 9,863,409.12 = 4,551,795.52 : x - Step 2: Convert to fraction form
6,578,940.40/9,863,409.12 = 4,551,795.52/x - Step 3: Cross multiply
6,578,940.40x = 9,863,409.12 × 4,551,795.52 - Step 4: Simplify right side
6,578,940.40x = 44,896,221,444,343.13 - Step 5: Solve for x
x = 44,896,221,444,343.13/6,578,940.40 - Step 6: Final answer
x = 6,824,232.89
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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.