Finding the Fourth Proportional to 3,131,680.51, 4,695,811.26 and 942,930.91
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Solution
The fourth proportional to 3,131,680.51, 4,695,811.26 and 942,930.91 is: 1,413,881.64
Step by Step Solution
- Step 1: Write the proportion equation
3,131,680.51 : 4,695,811.26 = 942,930.91 : x - Step 2: Convert to fraction form
3,131,680.51/4,695,811.26 = 942,930.91/x - Step 3: Cross multiply
3,131,680.51x = 4,695,811.26 × 942,930.91 - Step 4: Simplify right side
3,131,680.51x = 4,427,825,584,580.05 - Step 5: Solve for x
x = 4,427,825,584,580.05/3,131,680.51 - Step 6: Final answer
x = 1,413,881.64
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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.