Finding the Fourth Proportional to 1,523,478.25, 2,102,400.30 and 844,414.75
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Solution
The fourth proportional to 1,523,478.25, 2,102,400.30 and 844,414.75 is: 1,165,292.53
Step by Step Solution
- Step 1: Write the proportion equation
1,523,478.25 : 2,102,400.30 = 844,414.75 : x - Step 2: Convert to fraction form
1,523,478.25/2,102,400.30 = 844,414.75/x - Step 3: Cross multiply
1,523,478.25x = 2,102,400.30 × 844,414.75 - Step 4: Simplify right side
1,523,478.25x = 1,775,297,823,724.42 - Step 5: Solve for x
x = 1,775,297,823,724.42/1,523,478.25 - Step 6: Final answer
x = 1,165,292.53
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1.5x scale
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.