Finding the Fourth Proportional to 1,692,157.26, 2,335,177.14 and 928,212.78
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Solution
The fourth proportional to 1,692,157.26, 2,335,177.14 and 928,212.78 is: 1,280,933.70
Step by Step Solution
- Step 1: Write the proportion equation
1,692,157.26 : 2,335,177.14 = 928,212.78 : x - Step 2: Convert to fraction form
1,692,157.26/2,335,177.14 = 928,212.78/x - Step 3: Cross multiply
1,692,157.26x = 2,335,177.14 × 928,212.78 - Step 4: Simplify right side
1,692,157.26x = 2,167,541,264,911.85 - Step 5: Solve for x
x = 2,167,541,264,911.85/1,692,157.26 - Step 6: Final answer
x = 1,280,933.70
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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.