Finding the Fourth Proportional to 1,975,993.92, 2,726,871.08 and 1,070,575.92
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Solution
The fourth proportional to 1,975,993.92, 2,726,871.08 and 1,070,575.92 is: 1,477,394.48
Step by Step Solution
- Step 1: Write the proportion equation
1,975,993.92 : 2,726,871.08 = 1,070,575.92 : x - Step 2: Convert to fraction form
1,975,993.92/2,726,871.08 = 1,070,575.92/x - Step 3: Cross multiply
1,975,993.92x = 2,726,871.08 × 1,070,575.92 - Step 4: Simplify right side
1,975,993.92x = 2,919,322,509,839.51 - Step 5: Solve for x
x = 2,919,322,509,839.51/1,975,993.92 - Step 6: Final answer
x = 1,477,394.48
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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.