Finding the Fourth Proportional to 1,692,704.42, 2,335,975.06 and 928,757.78
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Solution
The fourth proportional to 1,692,704.42, 2,335,975.06 and 928,757.78 is: 1,281,709.31
Step by Step Solution
- Step 1: Write the proportion equation
1,692,704.42 : 2,335,975.06 = 928,757.78 : x - Step 2: Convert to fraction form
1,692,704.42/2,335,975.06 = 928,757.78/x - Step 3: Cross multiply
1,692,704.42x = 2,335,975.06 × 928,757.78 - Step 4: Simplify right side
1,692,704.42x = 2,169,555,010,860.97 - Step 5: Solve for x
x = 2,169,555,010,860.97/1,692,704.42 - Step 6: Final answer
x = 1,281,709.31
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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.