Finding the Fourth Proportional to 4,832,679.60, 7,248,520.08 and 1,637,722.80
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Solution
The fourth proportional to 4,832,679.60, 7,248,520.08 and 1,637,722.80 is: 2,456,414.99
Step by Step Solution
- Step 1: Write the proportion equation
4,832,679.60 : 7,248,520.08 = 1,637,722.80 : x - Step 2: Convert to fraction form
4,832,679.60/7,248,520.08 = 1,637,722.80/x - Step 3: Cross multiply
4,832,679.60x = 7,248,520.08 × 1,637,722.80 - Step 4: Simplify right side
4,832,679.60x = 11,871,066,601,273.82 - Step 5: Solve for x
x = 11,871,066,601,273.82/4,832,679.60 - Step 6: Final answer
x = 2,456,414.99
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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.