Finding the Fourth Proportional to 5,486,986.24, 8,227,472.64 and 1,699,417.60
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Solution
The fourth proportional to 5,486,986.24, 8,227,472.64 and 1,699,417.60 is: 2,548,195.17
Step by Step Solution
- Step 1: Write the proportion equation
5,486,986.24 : 8,227,472.64 = 1,699,417.60 : x - Step 2: Convert to fraction form
5,486,986.24/8,227,472.64 = 1,699,417.60/x - Step 3: Cross multiply
5,486,986.24x = 8,227,472.64 × 1,699,417.60 - Step 4: Simplify right side
5,486,986.24x = 13,981,911,807,934.46 - Step 5: Solve for x
x = 13,981,911,807,934.46/5,486,986.24 - Step 6: Final answer
x = 2,548,195.17
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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.