Finding the Fourth Proportional to 5,621,306.70, 7,757,456.67 and 3,298,238.70
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Solution
The fourth proportional to 5,621,306.70, 7,757,456.67 and 3,298,238.70 is: 4,551,600.75
Step by Step Solution
- Step 1: Write the proportion equation
5,621,306.70 : 7,757,456.67 = 3,298,238.70 : x - Step 2: Convert to fraction form
5,621,306.70/7,757,456.67 = 3,298,238.70/x - Step 3: Cross multiply
5,621,306.70x = 7,757,456.67 × 3,298,238.70 - Step 4: Simplify right side
5,621,306.70x = 25,585,943,802,567.13 - Step 5: Solve for x
x = 25,585,943,802,567.13/5,621,306.70 - Step 6: Final answer
x = 4,551,600.75
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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.