Finding the Fourth Proportional to 1,330,202.70, 1,995,304.05 and 905,049.90
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Solution
The fourth proportional to 1,330,202.70, 1,995,304.05 and 905,049.90 is: 1,357,574.85
Step by Step Solution
- Step 1: Write the proportion equation
1,330,202.70 : 1,995,304.05 = 905,049.90 : x - Step 2: Convert to fraction form
1,330,202.70/1,995,304.05 = 905,049.90/x - Step 3: Cross multiply
1,330,202.70x = 1,995,304.05 × 905,049.90 - Step 4: Simplify right side
1,330,202.70x = 1,805,849,730,922.10 - Step 5: Solve for x
x = 1,805,849,730,922.10/1,330,202.70 - Step 6: Final answer
x = 1,357,574.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.