Finding the Fourth Proportional to 1,680,400.44, 2,520,596.81 and 720,233.45
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Solution
The fourth proportional to 1,680,400.44, 2,520,596.81 and 720,233.45 is: 1,080,348.53
Step by Step Solution
- Step 1: Write the proportion equation
1,680,400.44 : 2,520,596.81 = 720,233.45 : x - Step 2: Convert to fraction form
1,680,400.44/2,520,596.81 = 720,233.45/x - Step 3: Cross multiply
1,680,400.44x = 2,520,596.81 × 720,233.45 - Step 4: Simplify right side
1,680,400.44x = 1,815,418,139,225.62 - Step 5: Solve for x
x = 1,815,418,139,225.62/1,680,400.44 - Step 6: Final answer
x = 1,080,348.53
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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.