Finding the Fourth Proportional to 7,490,175.84, 10,336,439.16 and 4,227,674.85
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Solution
The fourth proportional to 7,490,175.84, 10,336,439.16 and 4,227,674.85 is: 5,834,189.32
Step by Step Solution
- Step 1: Write the proportion equation
7,490,175.84 : 10,336,439.16 = 4,227,674.85 : x - Step 2: Convert to fraction form
7,490,175.84/10,336,439.16 = 4,227,674.85/x - Step 3: Cross multiply
7,490,175.84x = 10,336,439.16 × 4,227,674.85 - Step 4: Simplify right side
7,490,175.84x = 43,699,103,875,287.12 - Step 5: Solve for x
x = 43,699,103,875,287.12/7,490,175.84 - Step 6: Final answer
x = 5,834,189.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.