Finding the Fourth Proportional to 1,403,471.24, 2,104,855.86 and 550,716.20
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Solution
The fourth proportional to 1,403,471.24, 2,104,855.86 and 550,716.20 is: 825,936.57
Step by Step Solution
- Step 1: Write the proportion equation
1,403,471.24 : 2,104,855.86 = 550,716.20 : x - Step 2: Convert to fraction form
1,403,471.24/2,104,855.86 = 550,716.20/x - Step 3: Cross multiply
1,403,471.24x = 2,104,855.86 × 550,716.20 - Step 4: Simplify right side
1,403,471.24x = 1,159,178,220,766.93 - Step 5: Solve for x
x = 1,159,178,220,766.93/1,403,471.24 - Step 6: Final answer
x = 825,936.57
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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.