Finding the Fourth Proportional to 1,450,420.29, 1,999,966.41 and 991,609.56
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Solution
The fourth proportional to 1,450,420.29, 1,999,966.41 and 991,609.56 is: 1,367,318.03
Step by Step Solution
- Step 1: Write the proportion equation
1,450,420.29 : 1,999,966.41 = 991,609.56 : x - Step 2: Convert to fraction form
1,450,420.29/1,999,966.41 = 991,609.56/x - Step 3: Cross multiply
1,450,420.29x = 1,999,966.41 × 991,609.56 - Step 4: Simplify right side
1,450,420.29x = 1,983,185,811,834.88 - Step 5: Solve for x
x = 1,983,185,811,834.88/1,450,420.29 - Step 6: Final answer
x = 1,367,318.03
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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.