Finding the Fourth Proportional to 4,480,799.20, 6,708,757.20 and 4,356,383.20
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Solution
The fourth proportional to 4,480,799.20, 6,708,757.20 and 4,356,383.20 is: 6,522,478.66
Step by Step Solution
- Step 1: Write the proportion equation
4,480,799.20 : 6,708,757.20 = 4,356,383.20 : x - Step 2: Convert to fraction form
4,480,799.20/6,708,757.20 = 4,356,383.20/x - Step 3: Cross multiply
4,480,799.20x = 6,708,757.20 × 4,356,383.20 - Step 4: Simplify right side
4,480,799.20x = 29,225,917,158,959.04 - Step 5: Solve for x
x = 29,225,917,158,959.04/4,480,799.20 - Step 6: Final answer
x = 6,522,478.66
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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.