Finding the Fourth Proportional to 5,439,711.99, 7,506,942.62 and 2,992,385.91
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Solution
The fourth proportional to 5,439,711.99, 7,506,942.62 and 2,992,385.91 is: 4,129,569.61
Step by Step Solution
- Step 1: Write the proportion equation
5,439,711.99 : 7,506,942.62 = 2,992,385.91 : x - Step 2: Convert to fraction form
5,439,711.99/7,506,942.62 = 2,992,385.91/x - Step 3: Cross multiply
5,439,711.99x = 7,506,942.62 × 2,992,385.91 - Step 4: Simplify right side
5,439,711.99x = 22,463,669,308,304.55 - Step 5: Solve for x
x = 22,463,669,308,304.55/5,439,711.99 - Step 6: Final answer
x = 4,129,569.61
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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.