Finding the Fourth Proportional to 2,281,125.63, 3,147,739.68 and 1,363,172.02
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Solution
The fourth proportional to 2,281,125.63, 3,147,739.68 and 1,363,172.02 is: 1,881,049.69
Step by Step Solution
- Step 1: Write the proportion equation
2,281,125.63 : 3,147,739.68 = 1,363,172.02 : x - Step 2: Convert to fraction form
2,281,125.63/3,147,739.68 = 1,363,172.02/x - Step 3: Cross multiply
2,281,125.63x = 3,147,739.68 × 1,363,172.02 - Step 4: Simplify right side
2,281,125.63x = 4,290,910,658,019.75 - Step 5: Solve for x
x = 4,290,910,658,019.75/2,281,125.63 - Step 6: Final answer
x = 1,881,049.69
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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.