Finding the Fourth Proportional to 4,787,095.17, 7,180,626.24 and 1,192,864.62
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Solution
The fourth proportional to 4,787,095.17, 7,180,626.24 and 1,192,864.62 is: 1,789,292.81
Step by Step Solution
- Step 1: Write the proportion equation
4,787,095.17 : 7,180,626.24 = 1,192,864.62 : x - Step 2: Convert to fraction form
4,787,095.17/7,180,626.24 = 1,192,864.62/x - Step 3: Cross multiply
4,787,095.17x = 7,180,626.24 × 1,192,864.62 - Step 4: Simplify right side
4,787,095.17x = 8,565,514,991,139.63 - Step 5: Solve for x
x = 8,565,514,991,139.63/4,787,095.17 - Step 6: Final answer
x = 1,789,292.81
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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.