Finding the Fourth Proportional to 2,515,494.07, 3,471,467.23 and 1,413,120.17
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Solution
The fourth proportional to 2,515,494.07, 3,471,467.23 and 1,413,120.17 is: 1,950,153.82
Step by Step Solution
- Step 1: Write the proportion equation
2,515,494.07 : 3,471,467.23 = 1,413,120.17 : x - Step 2: Convert to fraction form
2,515,494.07/3,471,467.23 = 1,413,120.17/x - Step 3: Cross multiply
2,515,494.07x = 3,471,467.23 × 1,413,120.17 - Step 4: Simplify right side
2,515,494.07x = 4,905,600,362,207.03 - Step 5: Solve for x
x = 4,905,600,362,207.03/2,515,494.07 - Step 6: Final answer
x = 1,950,153.82
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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.