Finding the Fourth Proportional to 1,319,849.44, 1,821,392.22 and 716,237.44
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Solution
The fourth proportional to 1,319,849.44, 1,821,392.22 and 716,237.44 is: 988,407.66
Step by Step Solution
- Step 1: Write the proportion equation
1,319,849.44 : 1,821,392.22 = 716,237.44 : x - Step 2: Convert to fraction form
1,319,849.44/1,821,392.22 = 716,237.44/x - Step 3: Cross multiply
1,319,849.44x = 1,821,392.22 × 716,237.44 - Step 4: Simplify right side
1,319,849.44x = 1,304,549,299,021.13 - Step 5: Solve for x
x = 1,304,549,299,021.13/1,319,849.44 - Step 6: Final answer
x = 988,407.66
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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.