Finding the Fourth Proportional to 3,148,020.08, 4,343,881.45 and 1,986,028.10
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Solution
The fourth proportional to 3,148,020.08, 4,343,881.45 and 1,986,028.10 is: 2,740,475.09
Step by Step Solution
- Step 1: Write the proportion equation
3,148,020.08 : 4,343,881.45 = 1,986,028.10 : x - Step 2: Convert to fraction form
3,148,020.08/4,343,881.45 = 1,986,028.10/x - Step 3: Cross multiply
3,148,020.08x = 4,343,881.45 × 1,986,028.10 - Step 4: Simplify right side
3,148,020.08x = 8,627,070,591,119.20 - Step 5: Solve for x
x = 8,627,070,591,119.20/3,148,020.08 - Step 6: Final answer
x = 2,740,475.09
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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.