Finding the Fourth Proportional to 4,442,117.40, 6,663,176.10 and 3,007,226.70
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Solution
The fourth proportional to 4,442,117.40, 6,663,176.10 and 3,007,226.70 is: 4,510,840.05
Step by Step Solution
- Step 1: Write the proportion equation
4,442,117.40 : 6,663,176.10 = 3,007,226.70 : x - Step 2: Convert to fraction form
4,442,117.40/6,663,176.10 = 3,007,226.70/x - Step 3: Cross multiply
4,442,117.40x = 6,663,176.10 × 3,007,226.70 - Step 4: Simplify right side
4,442,117.40x = 20,037,681,074,721.87 - Step 5: Solve for x
x = 20,037,681,074,721.87/4,442,117.40 - Step 6: Final answer
x = 4,510,840.05
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Double scale
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Similar ratio
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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.