Finding the Fourth Proportional to 1,582,897.80, 2,184,406.68 and 857,745.36
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Solution
The fourth proportional to 1,582,897.80, 2,184,406.68 and 857,745.36 is: 1,183,692.78
Step by Step Solution
- Step 1: Write the proportion equation
1,582,897.80 : 2,184,406.68 = 857,745.36 : x - Step 2: Convert to fraction form
1,582,897.80/2,184,406.68 = 857,745.36/x - Step 3: Cross multiply
1,582,897.80x = 2,184,406.68 × 857,745.36 - Step 4: Simplify right side
1,582,897.80x = 1,873,664,694,123.01 - Step 5: Solve for x
x = 1,873,664,694,123.01/1,582,897.80 - Step 6: Final answer
x = 1,183,692.78
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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.