Finding the Fourth Proportional to 2,114,486.44, 2,917,994.17 and 1,147,616.74
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Solution
The fourth proportional to 2,114,486.44, 2,917,994.17 and 1,147,616.74 is: 1,583,712.67
Step by Step Solution
- Step 1: Write the proportion equation
2,114,486.44 : 2,917,994.17 = 1,147,616.74 : x - Step 2: Convert to fraction form
2,114,486.44/2,917,994.17 = 1,147,616.74/x - Step 3: Cross multiply
2,114,486.44x = 2,917,994.17 × 1,147,616.74 - Step 4: Simplify right side
2,114,486.44x = 3,348,738,956,714.41 - Step 5: Solve for x
x = 3,348,738,956,714.41/2,114,486.44 - Step 6: Final answer
x = 1,583,712.67
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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.