Finding the Fourth Proportional to 1,430,906.88, 2,146,355.84 and 365,949.12
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Solution
The fourth proportional to 1,430,906.88, 2,146,355.84 and 365,949.12 is: 548,922.53
Step by Step Solution
- Step 1: Write the proportion equation
1,430,906.88 : 2,146,355.84 = 365,949.12 : x - Step 2: Convert to fraction form
1,430,906.88/2,146,355.84 = 365,949.12/x - Step 3: Cross multiply
1,430,906.88x = 2,146,355.84 × 365,949.12 - Step 4: Simplify right side
1,430,906.88x = 785,457,030,854.86 - Step 5: Solve for x
x = 785,457,030,854.86/1,430,906.88 - Step 6: Final answer
x = 548,922.53
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.