Finding the Fourth Proportional to 2,125,163.28, 2,932,726.42 and 1,207,394.02
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Solution
The fourth proportional to 2,125,163.28, 2,932,726.42 and 1,207,394.02 is: 1,666,204.37
Step by Step Solution
- Step 1: Write the proportion equation
2,125,163.28 : 2,932,726.42 = 1,207,394.02 : x - Step 2: Convert to fraction form
2,125,163.28/2,932,726.42 = 1,207,394.02/x - Step 3: Cross multiply
2,125,163.28x = 2,932,726.42 × 1,207,394.02 - Step 4: Simplify right side
2,125,163.28x = 3,540,956,341,804.01 - Step 5: Solve for x
x = 3,540,956,341,804.01/2,125,163.28 - Step 6: Final answer
x = 1,666,204.37
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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.