Finding the Fourth Proportional to 5,535,986.58, 7,639,488.27 and 3,245,672.70
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Solution
The fourth proportional to 5,535,986.58, 7,639,488.27 and 3,245,672.70 is: 4,478,926.78
Step by Step Solution
- Step 1: Write the proportion equation
5,535,986.58 : 7,639,488.27 = 3,245,672.70 : x - Step 2: Convert to fraction form
5,535,986.58/7,639,488.27 = 3,245,672.70/x - Step 3: Cross multiply
5,535,986.58x = 7,639,488.27 × 3,245,672.70 - Step 4: Simplify right side
5,535,986.58x = 24,795,278,519,909.23 - Step 5: Solve for x
x = 24,795,278,519,909.23/5,535,986.58 - Step 6: Final answer
x = 4,478,926.78
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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.