Finding the Fourth Proportional to 1,684,630.48, 2,324,790.30 and 920,683.84
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Solution
The fourth proportional to 1,684,630.48, 2,324,790.30 and 920,683.84 is: 1,270,543.83
Step by Step Solution
- Step 1: Write the proportion equation
1,684,630.48 : 2,324,790.30 = 920,683.84 : x - Step 2: Convert to fraction form
1,684,630.48/2,324,790.30 = 920,683.84/x - Step 3: Cross multiply
1,684,630.48x = 2,324,790.30 × 920,683.84 - Step 4: Simplify right side
1,684,630.48x = 2,140,396,860,598.75 - Step 5: Solve for x
x = 2,140,396,860,598.75/1,684,630.48 - Step 6: Final answer
x = 1,270,543.83
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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.