Finding the Fourth Proportional to 1,442,144.21, 2,163,051.07 and 377,289.05
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Solution
The fourth proportional to 1,442,144.21, 2,163,051.07 and 377,289.05 is: 565,890.34
Step by Step Solution
- Step 1: Write the proportion equation
1,442,144.21 : 2,163,051.07 = 377,289.05 : x - Step 2: Convert to fraction form
1,442,144.21/2,163,051.07 = 377,289.05/x - Step 3: Cross multiply
1,442,144.21x = 2,163,051.07 × 377,289.05 - Step 4: Simplify right side
1,442,144.21x = 816,095,471,543.31 - Step 5: Solve for x
x = 816,095,471,543.31/1,442,144.21 - Step 6: Final answer
x = 565,890.34
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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.