Finding the Fourth Proportional to 5,439,704.74, 7,506,932.61 and 2,992,378.66
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Solution
The fourth proportional to 5,439,704.74, 7,506,932.61 and 2,992,378.66 is: 4,129,559.60
Step by Step Solution
- Step 1: Write the proportion equation
5,439,704.74 : 7,506,932.61 = 2,992,378.66 : x - Step 2: Convert to fraction form
5,439,704.74/7,506,932.61 = 2,992,378.66/x - Step 3: Cross multiply
5,439,704.74x = 7,506,932.61 × 2,992,378.66 - Step 4: Simplify right side
5,439,704.74x = 22,463,584,944,222.11 - Step 5: Solve for x
x = 22,463,584,944,222.11/5,439,704.74 - Step 6: Final answer
x = 4,129,559.60
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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.