Finding the Fourth Proportional to 5,331,728.04, 7,357,601.64 and 3,040,626.12
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Solution
The fourth proportional to 5,331,728.04, 7,357,601.64 and 3,040,626.12 is: 4,195,959.65
Step by Step Solution
- Step 1: Write the proportion equation
5,331,728.04 : 7,357,601.64 = 3,040,626.12 : x - Step 2: Convert to fraction form
5,331,728.04/7,357,601.64 = 3,040,626.12/x - Step 3: Cross multiply
5,331,728.04x = 7,357,601.64 × 3,040,626.12 - Step 4: Simplify right side
5,331,728.04x = 22,371,715,727,138.84 - Step 5: Solve for x
x = 22,371,715,727,138.84/5,331,728.04 - Step 6: Final answer
x = 4,195,959.65
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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.