Finding the Fourth Proportional to 3,128,739.24, 4,316,791.38 and 1,770,583.08
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Solution
The fourth proportional to 3,128,739.24, 4,316,791.38 and 1,770,583.08 is: 2,442,913.00
Step by Step Solution
- Step 1: Write the proportion equation
3,128,739.24 : 4,316,791.38 = 1,770,583.08 : x - Step 2: Convert to fraction form
3,128,739.24/4,316,791.38 = 1,770,583.08/x - Step 3: Cross multiply
3,128,739.24x = 4,316,791.38 × 1,770,583.08 - Step 4: Simplify right side
3,128,739.24x = 7,643,237,777,317.85 - Step 5: Solve for x
x = 7,643,237,777,317.85/3,128,739.24 - Step 6: Final answer
x = 2,442,913.00
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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.