Finding the Fourth Proportional to 5,426,377.92, 8,139,740.64 and 2,729,231.04
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Solution
The fourth proportional to 5,426,377.92, 8,139,740.64 and 2,729,231.04 is: 4,093,933.95
Step by Step Solution
- Step 1: Write the proportion equation
5,426,377.92 : 8,139,740.64 = 2,729,231.04 : x - Step 2: Convert to fraction form
5,426,377.92/8,139,740.64 = 2,729,231.04/x - Step 3: Cross multiply
5,426,377.92x = 8,139,740.64 × 2,729,231.04 - Step 4: Simplify right side
5,426,377.92x = 22,215,232,812,237.46 - Step 5: Solve for x
x = 22,215,232,812,237.46/5,426,377.92 - Step 6: Final answer
x = 4,093,933.95
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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.