Finding the Fourth Proportional to 4,845,987.24, 7,268,717.70 and 1,479,931.80
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Solution
The fourth proportional to 4,845,987.24, 7,268,717.70 and 1,479,931.80 is: 2,219,817.33
Step by Step Solution
- Step 1: Write the proportion equation
4,845,987.24 : 7,268,717.70 = 1,479,931.80 : x - Step 2: Convert to fraction form
4,845,987.24/7,268,717.70 = 1,479,931.80/x - Step 3: Cross multiply
4,845,987.24x = 7,268,717.70 × 1,479,931.80 - Step 4: Simplify right side
4,845,987.24x = 10,757,206,469,452.86 - Step 5: Solve for x
x = 10,757,206,469,452.86/4,845,987.24 - Step 6: Final answer
x = 2,219,817.33
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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.