Finding the Fourth Proportional to 3,226,473.40, 4,838,543.70 and 1,628,505.40
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Solution
The fourth proportional to 3,226,473.40, 4,838,543.70 and 1,628,505.40 is: 2,442,169.38
Step by Step Solution
- Step 1: Write the proportion equation
3,226,473.40 : 4,838,543.70 = 1,628,505.40 : x - Step 2: Convert to fraction form
3,226,473.40/4,838,543.70 = 1,628,505.40/x - Step 3: Cross multiply
3,226,473.40x = 4,838,543.70 × 1,628,505.40 - Step 4: Simplify right side
3,226,473.40x = 7,879,594,543,585.98 - Step 5: Solve for x
x = 7,879,594,543,585.98/3,226,473.40 - Step 6: Final answer
x = 2,442,169.38
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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.