Finding the Fourth Proportional to 1,438,146.50, 2,157,149.68 and 539,518.22
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Solution
The fourth proportional to 1,438,146.50, 2,157,149.68 and 539,518.22 is: 809,251.04
Step by Step Solution
- Step 1: Write the proportion equation
1,438,146.50 : 2,157,149.68 = 539,518.22 : x - Step 2: Convert to fraction form
1,438,146.50/2,157,149.68 = 539,518.22/x - Step 3: Cross multiply
1,438,146.50x = 2,157,149.68 × 539,518.22 - Step 4: Simplify right side
1,438,146.50x = 1,163,821,551,581.94 - Step 5: Solve for x
x = 1,163,821,551,581.94/1,438,146.50 - Step 6: Final answer
x = 809,251.04
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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.