Finding the Fourth Proportional to 5,455,121.74, 7,526,398.84 and 3,162,824.98
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Solution
The fourth proportional to 5,455,121.74, 7,526,398.84 and 3,162,824.98 is: 4,363,730.71
Step by Step Solution
- Step 1: Write the proportion equation
5,455,121.74 : 7,526,398.84 = 3,162,824.98 : x - Step 2: Convert to fraction form
5,455,121.74/7,526,398.84 = 3,162,824.98/x - Step 3: Cross multiply
5,455,121.74x = 7,526,398.84 × 3,162,824.98 - Step 4: Simplify right side
5,455,121.74x = 23,804,682,260,595.02 - Step 5: Solve for x
x = 23,804,682,260,595.02/5,455,121.74 - Step 6: Final answer
x = 4,363,730.71
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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.