Finding the Fourth Proportional to 6,818,953.94, 9,410,375.99 and 3,878,695.62
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Solution
The fourth proportional to 6,818,953.94, 9,410,375.99 and 3,878,695.62 is: 5,352,724.84
Step by Step Solution
- Step 1: Write the proportion equation
6,818,953.94 : 9,410,375.99 = 3,878,695.62 : x - Step 2: Convert to fraction form
6,818,953.94/9,410,375.99 = 3,878,695.62/x - Step 3: Cross multiply
6,818,953.94x = 9,410,375.99 × 3,878,695.62 - Step 4: Simplify right side
6,818,953.94x = 36,499,984,112,339.09 - Step 5: Solve for x
x = 36,499,984,112,339.09/6,818,953.94 - Step 6: Final answer
x = 5,352,724.84
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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.