Finding the Fourth Proportional to 5,455,120.74, 7,526,397.47 and 3,162,823.98
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Solution
The fourth proportional to 5,455,120.74, 7,526,397.47 and 3,162,823.98 is: 4,363,729.33
Step by Step Solution
- Step 1: Write the proportion equation
5,455,120.74 : 7,526,397.47 = 3,162,823.98 : x - Step 2: Convert to fraction form
5,455,120.74/7,526,397.47 = 3,162,823.98/x - Step 3: Cross multiply
5,455,120.74x = 7,526,397.47 × 3,162,823.98 - Step 4: Simplify right side
5,455,120.74x = 23,804,670,385,313.21 - Step 5: Solve for x
x = 23,804,670,385,313.21/5,455,120.74 - Step 6: Final answer
x = 4,363,729.33
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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.