Finding the Fourth Proportional to 3,998,068.63, 5,997,098.09 and 1,302,389.44
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Solution
The fourth proportional to 3,998,068.63, 5,997,098.09 and 1,302,389.44 is: 1,953,582.58
Step by Step Solution
- Step 1: Write the proportion equation
3,998,068.63 : 5,997,098.09 = 1,302,389.44 : x - Step 2: Convert to fraction form
3,998,068.63/5,997,098.09 = 1,302,389.44/x - Step 3: Cross multiply
3,998,068.63x = 5,997,098.09 × 1,302,389.44 - Step 4: Simplify right side
3,998,068.63x = 7,810,557,216,548.22 - Step 5: Solve for x
x = 7,810,557,216,548.22/3,998,068.63 - Step 6: Final answer
x = 1,953,582.58
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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.