Finding the Fourth Proportional to 1,973,123.68, 2,722,917.90 and 1,067,705.68
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Solution
The fourth proportional to 1,973,123.68, 2,722,917.90 and 1,067,705.68 is: 1,473,437.75
Step by Step Solution
- Step 1: Write the proportion equation
1,973,123.68 : 2,722,917.90 = 1,067,705.68 : x - Step 2: Convert to fraction form
1,973,123.68/2,722,917.90 = 1,067,705.68/x - Step 3: Cross multiply
1,973,123.68x = 2,722,917.90 × 1,067,705.68 - Step 4: Simplify right side
1,973,123.68x = 2,907,274,908,003.67 - Step 5: Solve for x
x = 2,907,274,908,003.67/1,973,123.68 - Step 6: Final answer
x = 1,473,437.75
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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.