Finding the Fourth Proportional to 2,759,826.29, 3,808,531.19 and 1,536,112.31
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Solution
The fourth proportional to 2,759,826.29, 3,808,531.19 and 1,536,112.31 is: 2,119,818.79
Step by Step Solution
- Step 1: Write the proportion equation
2,759,826.29 : 3,808,531.19 = 1,536,112.31 : x - Step 2: Convert to fraction form
2,759,826.29/3,808,531.19 = 1,536,112.31/x - Step 3: Cross multiply
2,759,826.29x = 3,808,531.19 × 1,536,112.31 - Step 4: Simplify right side
2,759,826.29x = 5,850,331,636,297.39 - Step 5: Solve for x
x = 5,850,331,636,297.39/2,759,826.29 - Step 6: Final answer
x = 2,119,818.79
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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.