Finding the Fourth Proportional to 5,919,414.62, 8,168,816.78 and 3,203,160.62
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Solution
The fourth proportional to 5,919,414.62, 8,168,816.78 and 3,203,160.62 is: 4,420,374.96
Step by Step Solution
- Step 1: Write the proportion equation
5,919,414.62 : 8,168,816.78 = 3,203,160.62 : x - Step 2: Convert to fraction form
5,919,414.62/8,168,816.78 = 3,203,160.62/x - Step 3: Cross multiply
5,919,414.62x = 8,168,816.78 × 3,203,160.62 - Step 4: Simplify right side
5,919,414.62x = 26,166,032,164,831.32 - Step 5: Solve for x
x = 26,166,032,164,831.32/5,919,414.62 - Step 6: Final answer
x = 4,420,374.96
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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.