Finding the Fourth Proportional to 1,729,945.65, 2,387,315.49 and 955,629.75
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Solution
The fourth proportional to 1,729,945.65, 2,387,315.49 and 955,629.75 is: 1,318,763.80
Step by Step Solution
- Step 1: Write the proportion equation
1,729,945.65 : 2,387,315.49 = 955,629.75 : x - Step 2: Convert to fraction form
1,729,945.65/2,387,315.49 = 955,629.75/x - Step 3: Cross multiply
1,729,945.65x = 2,387,315.49 × 955,629.75 - Step 4: Simplify right side
1,729,945.65x = 2,281,389,704,879.83 - Step 5: Solve for x
x = 2,281,389,704,879.83/1,729,945.65 - Step 6: Final answer
x = 1,318,763.80
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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.