Finding the Fourth Proportional to 4,226,639.84, 5,832,762.92 and 2,415,842.72
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Solution
The fourth proportional to 4,226,639.84, 5,832,762.92 and 2,415,842.72 is: 3,333,862.92
Step by Step Solution
- Step 1: Write the proportion equation
4,226,639.84 : 5,832,762.92 = 2,415,842.72 : x - Step 2: Convert to fraction form
4,226,639.84/5,832,762.92 = 2,415,842.72/x - Step 3: Cross multiply
4,226,639.84x = 5,832,762.92 × 2,415,842.72 - Step 4: Simplify right side
4,226,639.84x = 14,091,037,837,767.94 - Step 5: Solve for x
x = 14,091,037,837,767.94/4,226,639.84 - Step 6: Final answer
x = 3,333,862.92
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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.