Finding the Fourth Proportional to 1,857,347.31, 2,562,053.36 and 1,167,928.05
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Solution
The fourth proportional to 1,857,347.31, 2,562,053.36 and 1,167,928.05 is: 1,611,057.86
Step by Step Solution
- Step 1: Write the proportion equation
1,857,347.31 : 2,562,053.36 = 1,167,928.05 : x - Step 2: Convert to fraction form
1,857,347.31/2,562,053.36 = 1,167,928.05/x - Step 3: Cross multiply
1,857,347.31x = 2,562,053.36 × 1,167,928.05 - Step 4: Simplify right side
1,857,347.31x = 2,992,293,978,901.11 - Step 5: Solve for x
x = 2,992,293,978,901.11/1,857,347.31 - Step 6: Final answer
x = 1,611,057.86
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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.