Finding the Fourth Proportional to 3,913,027.12, 5,397,689.64 and 2,460,422.80
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Solution
The fourth proportional to 3,913,027.12, 5,397,689.64 and 2,460,422.80 is: 3,393,944.96
Step by Step Solution
- Step 1: Write the proportion equation
3,913,027.12 : 5,397,689.64 = 2,460,422.80 : x - Step 2: Convert to fraction form
3,913,027.12/5,397,689.64 = 2,460,422.80/x - Step 3: Cross multiply
3,913,027.12x = 5,397,689.64 × 2,460,422.80 - Step 4: Simplify right side
3,913,027.12x = 13,280,598,657,579.79 - Step 5: Solve for x
x = 13,280,598,657,579.79/3,913,027.12 - Step 6: Final answer
x = 3,393,944.96
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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.