Finding the Fourth Proportional to 4,285,133.20, 6,415,258.20 and 4,160,717.20
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Solution
The fourth proportional to 4,285,133.20, 6,415,258.20 and 4,160,717.20 is: 6,228,995.43
Step by Step Solution
- Step 1: Write the proportion equation
4,285,133.20 : 6,415,258.20 = 4,160,717.20 : x - Step 2: Convert to fraction form
4,285,133.20/6,415,258.20 = 4,160,717.20/x - Step 3: Cross multiply
4,285,133.20x = 6,415,258.20 × 4,160,717.20 - Step 4: Simplify right side
4,285,133.20x = 26,692,075,135,181.04 - Step 5: Solve for x
x = 26,692,075,135,181.04/4,285,133.20 - Step 6: Final answer
x = 6,228,995.43
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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.