Finding the Fourth Proportional to 3,416,490.36, 4,714,531.92 and 1,965,951.63
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Solution
The fourth proportional to 3,416,490.36, 4,714,531.92 and 1,965,951.63 is: 2,712,883.91
Step by Step Solution
- Step 1: Write the proportion equation
3,416,490.36 : 4,714,531.92 = 1,965,951.63 : x - Step 2: Convert to fraction form
3,416,490.36/4,714,531.92 = 1,965,951.63/x - Step 3: Cross multiply
3,416,490.36x = 4,714,531.92 × 1,965,951.63 - Step 4: Simplify right side
3,416,490.36x = 9,268,541,712,811.03 - Step 5: Solve for x
x = 9,268,541,712,811.03/3,416,490.36 - Step 6: Final answer
x = 2,712,883.91
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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.