Finding the Fourth Proportional to 4,207,786.36, 5,804,052.53 and 2,918,156.20
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Solution
The fourth proportional to 4,207,786.36, 5,804,052.53 and 2,918,156.20 is: 4,025,188.16
Step by Step Solution
- Step 1: Write the proportion equation
4,207,786.36 : 5,804,052.53 = 2,918,156.20 : x - Step 2: Convert to fraction form
4,207,786.36/5,804,052.53 = 2,918,156.20/x - Step 3: Cross multiply
4,207,786.36x = 5,804,052.53 × 2,918,156.20 - Step 4: Simplify right side
4,207,786.36x = 16,937,131,831,934.14 - Step 5: Solve for x
x = 16,937,131,831,934.14/4,207,786.36 - Step 6: Final answer
x = 4,025,188.16
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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.