Finding the Fourth Proportional to 3,061,617.68, 4,590,138.84 and 2,112,279.44
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Solution
The fourth proportional to 3,061,617.68, 4,590,138.84 and 2,112,279.44 is: 3,166,840.84
Step by Step Solution
- Step 1: Write the proportion equation
3,061,617.68 : 4,590,138.84 = 2,112,279.44 : x - Step 2: Convert to fraction form
3,061,617.68/4,590,138.84 = 2,112,279.44/x - Step 3: Cross multiply
3,061,617.68x = 4,590,138.84 × 2,112,279.44 - Step 4: Simplify right side
3,061,617.68x = 9,695,655,898,477.45 - Step 5: Solve for x
x = 9,695,655,898,477.45/3,061,617.68 - Step 6: Final answer
x = 3,166,840.84
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1.5x scale
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.