Finding the Fourth Proportional to 5,511,329.20, 7,609,345.64 and 4,928,744.80
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Solution
The fourth proportional to 5,511,329.20, 7,609,345.64 and 4,928,744.80 is: 6,804,986.85
Step by Step Solution
- Step 1: Write the proportion equation
5,511,329.20 : 7,609,345.64 = 4,928,744.80 : x - Step 2: Convert to fraction form
5,511,329.20/7,609,345.64 = 4,928,744.80/x - Step 3: Cross multiply
5,511,329.20x = 7,609,345.64 × 4,928,744.80 - Step 4: Simplify right side
5,511,329.20x = 37,504,522,754,552.67 - Step 5: Solve for x
x = 37,504,522,754,552.67/5,511,329.20 - Step 6: Final answer
x = 6,804,986.85
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1.5x scale
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.