Finding the Fourth Proportional to 1,625,351.12, 2,237,852.58 and 1,431,638
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Solution
The fourth proportional to 1,625,351.12, 2,237,852.58 and 1,431,638 is: 1,971,140.11
Step by Step Solution
- Step 1: Write the proportion equation
1,625,351.12 : 2,237,852.58 = 1,431,638 : x - Step 2: Convert to fraction form
1,625,351.12/2,237,852.58 = 1,431,638/x - Step 3: Cross multiply
1,625,351.12x = 2,237,852.58 × 1,431,638 - Step 4: Simplify right side
1,625,351.12x = 3,203,794,791,926.04 - Step 5: Solve for x
x = 3,203,794,791,926.04/1,625,351.12 - Step 6: Final answer
x = 1,971,140.11
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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.