Finding the Fourth Proportional to 2,073,994.08, 2,862,112.80 and 1,120,138.08
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Solution
The fourth proportional to 2,073,994.08, 2,862,112.80 and 1,120,138.08 is: 1,545,791.07
Step by Step Solution
- Step 1: Write the proportion equation
2,073,994.08 : 2,862,112.80 = 1,120,138.08 : x - Step 2: Convert to fraction form
2,073,994.08/2,862,112.80 = 1,120,138.08/x - Step 3: Cross multiply
2,073,994.08x = 2,862,112.80 × 1,120,138.08 - Step 4: Simplify right side
2,073,994.08x = 3,205,961,536,535.42 - Step 5: Solve for x
x = 3,205,961,536,535.42/2,073,994.08 - Step 6: Final answer
x = 1,545,791.07
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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.