Finding the Fourth Proportional to 4,660,764.35, 6,991,147.03 and 1,422,318.99
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Solution
The fourth proportional to 4,660,764.35, 6,991,147.03 and 1,422,318.99 is: 2,133,478.65
Step by Step Solution
- Step 1: Write the proportion equation
4,660,764.35 : 6,991,147.03 = 1,422,318.99 : x - Step 2: Convert to fraction form
4,660,764.35/6,991,147.03 = 1,422,318.99/x - Step 3: Cross multiply
4,660,764.35x = 6,991,147.03 × 1,422,318.99 - Step 4: Simplify right side
4,660,764.35x = 9,943,641,211,979.22 - Step 5: Solve for x
x = 9,943,641,211,979.22/4,660,764.35 - Step 6: Final answer
x = 2,133,478.65
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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.