Finding the Fourth Proportional to 3,223,678.08, 4,448,825.28 and 1,865,287.68
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Solution
The fourth proportional to 3,223,678.08, 4,448,825.28 and 1,865,287.68 is: 2,574,183.52
Step by Step Solution
- Step 1: Write the proportion equation
3,223,678.08 : 4,448,825.28 = 1,865,287.68 : x - Step 2: Convert to fraction form
3,223,678.08/4,448,825.28 = 1,865,287.68/x - Step 3: Cross multiply
3,223,678.08x = 4,448,825.28 × 1,865,287.68 - Step 4: Simplify right side
3,223,678.08x = 8,298,338,985,256.55 - Step 5: Solve for x
x = 8,298,338,985,256.55/3,223,678.08 - Step 6: Final answer
x = 2,574,183.52
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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.