Finding the Fourth Proportional to 5,437,648.36, 8,156,472.09 and 2,589,124.60
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Solution
The fourth proportional to 5,437,648.36, 8,156,472.09 and 2,589,124.60 is: 3,883,686.68
Step by Step Solution
- Step 1: Write the proportion equation
5,437,648.36 : 8,156,472.09 = 2,589,124.60 : x - Step 2: Convert to fraction form
5,437,648.36/8,156,472.09 = 2,589,124.60/x - Step 3: Cross multiply
5,437,648.36x = 8,156,472.09 × 2,589,124.60 - Step 4: Simplify right side
5,437,648.36x = 21,118,122,537,918.79 - Step 5: Solve for x
x = 21,118,122,537,918.79/5,437,648.36 - Step 6: Final answer
x = 3,883,686.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.