Finding the Fourth Proportional to 1,507,109.64, 2,079,224.28 and 853,585.44
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Solution
The fourth proportional to 1,507,109.64, 2,079,224.28 and 853,585.44 is: 1,177,615.43
Step by Step Solution
- Step 1: Write the proportion equation
1,507,109.64 : 2,079,224.28 = 853,585.44 : x - Step 2: Convert to fraction form
1,507,109.64/2,079,224.28 = 853,585.44/x - Step 3: Cross multiply
1,507,109.64x = 2,079,224.28 × 853,585.44 - Step 4: Simplify right side
1,507,109.64x = 1,774,795,571,902.48 - Step 5: Solve for x
x = 1,774,795,571,902.48/1,507,109.64 - Step 6: Final answer
x = 1,177,615.43
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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.