Finding the Fourth Proportional to 1,531,728.02, 2,297,590.92 and 689,295.62
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Solution
The fourth proportional to 1,531,728.02, 2,297,590.92 and 689,295.62 is: 1,033,942.93
Step by Step Solution
- Step 1: Write the proportion equation
1,531,728.02 : 2,297,590.92 = 689,295.62 : x - Step 2: Convert to fraction form
1,531,728.02/2,297,590.92 = 689,295.62/x - Step 3: Cross multiply
1,531,728.02x = 2,297,590.92 × 689,295.62 - Step 4: Simplify right side
1,531,728.02x = 1,583,719,357,707.77 - Step 5: Solve for x
x = 1,583,719,357,707.77/1,531,728.02 - Step 6: Final answer
x = 1,033,942.93
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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.