Finding the Fourth Proportional to 2,132,201.07, 2,942,430.37 and 1,165,331.07
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Solution
The fourth proportional to 2,132,201.07, 2,942,430.37 and 1,165,331.07 is: 1,608,152.99
Step by Step Solution
- Step 1: Write the proportion equation
2,132,201.07 : 2,942,430.37 = 1,165,331.07 : x - Step 2: Convert to fraction form
2,132,201.07/2,942,430.37 = 1,165,331.07/x - Step 3: Cross multiply
2,132,201.07x = 2,942,430.37 × 1,165,331.07 - Step 4: Simplify right side
2,132,201.07x = 3,428,905,528,559.27 - Step 5: Solve for x
x = 3,428,905,528,559.27/2,132,201.07 - Step 6: Final answer
x = 1,608,152.99
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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.