Finding the Fourth Proportional to 4,402,416.40, 6,603,624.60 and 3,197,816.80
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Solution
The fourth proportional to 4,402,416.40, 6,603,624.60 and 3,197,816.80 is: 4,796,725.20
Step by Step Solution
- Step 1: Write the proportion equation
4,402,416.40 : 6,603,624.60 = 3,197,816.80 : x - Step 2: Convert to fraction form
4,402,416.40/6,603,624.60 = 3,197,816.80/x - Step 3: Cross multiply
4,402,416.40x = 6,603,624.60 × 3,197,816.80 - Step 4: Simplify right side
4,402,416.40x = 21,117,181,686,773.28 - Step 5: Solve for x
x = 21,117,181,686,773.28/4,402,416.40 - Step 6: Final answer
x = 4,796,725.20
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1.5x scale
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.