Finding the Fourth Proportional to 1,907,407.88, 2,632,225.99 and 1,036,245.99
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Solution
The fourth proportional to 1,907,407.88, 2,632,225.99 and 1,036,245.99 is: 1,430,021.16
Step by Step Solution
- Step 1: Write the proportion equation
1,907,407.88 : 2,632,225.99 = 1,036,245.99 : x - Step 2: Convert to fraction form
1,907,407.88/2,632,225.99 = 1,036,245.99/x - Step 3: Cross multiply
1,907,407.88x = 2,632,225.99 × 1,036,245.99 - Step 4: Simplify right side
1,907,407.88x = 2,727,633,626,911.28 - Step 5: Solve for x
x = 2,727,633,626,911.28/1,907,407.88 - Step 6: Final answer
x = 1,430,021.16
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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.