Finding the Fourth Proportional to 1,688,771.97, 2,532,778.08 and 777,079.92
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Solution
The fourth proportional to 1,688,771.97, 2,532,778.08 and 777,079.92 is: 1,165,445.08
Step by Step Solution
- Step 1: Write the proportion equation
1,688,771.97 : 2,532,778.08 = 777,079.92 : x - Step 2: Convert to fraction form
1,688,771.97/2,532,778.08 = 777,079.92/x - Step 3: Cross multiply
1,688,771.97x = 2,532,778.08 × 777,079.92 - Step 4: Simplify right side
1,688,771.97x = 1,968,170,975,372.19 - Step 5: Solve for x
x = 1,968,170,975,372.19/1,688,771.97 - Step 6: Final answer
x = 1,165,445.08
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.