Finding the Fourth Proportional to 3,618,391.80, 5,453,596.11 and 3,118,980.36
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Solution
The fourth proportional to 3,618,391.80, 5,453,596.11 and 3,118,980.36 is: 4,700,889.26
Step by Step Solution
- Step 1: Write the proportion equation
3,618,391.80 : 5,453,596.11 = 3,118,980.36 : x - Step 2: Convert to fraction form
3,618,391.80/5,453,596.11 = 3,118,980.36/x - Step 3: Cross multiply
3,618,391.80x = 5,453,596.11 × 3,118,980.36 - Step 4: Simplify right side
3,618,391.80x = 17,009,659,158,462.40 - Step 5: Solve for x
x = 17,009,659,158,462.40/3,618,391.80 - Step 6: Final answer
x = 4,700,889.26
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.