Finding the Fourth Proportional to 5,439,711.49, 7,506,941.93 and 2,992,385.41
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Solution
The fourth proportional to 5,439,711.49, 7,506,941.93 and 2,992,385.41 is: 4,129,568.92
Step by Step Solution
- Step 1: Write the proportion equation
5,439,711.49 : 7,506,941.93 = 2,992,385.41 : x - Step 2: Convert to fraction form
5,439,711.49/7,506,941.93 = 2,992,385.41/x - Step 3: Cross multiply
5,439,711.49x = 7,506,941.93 × 2,992,385.41 - Step 4: Simplify right side
5,439,711.49x = 22,463,663,505,049.24 - Step 5: Solve for x
x = 22,463,663,505,049.24/5,439,711.49 - Step 6: Final answer
x = 4,129,568.92
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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.