Finding the Fourth Proportional to 1,644,339.36, 2,269,554.24 and 999,622.56
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Solution
The fourth proportional to 1,644,339.36, 2,269,554.24 and 999,622.56 is: 1,379,701.58
Step by Step Solution
- Step 1: Write the proportion equation
1,644,339.36 : 2,269,554.24 = 999,622.56 : x - Step 2: Convert to fraction form
1,644,339.36/2,269,554.24 = 999,622.56/x - Step 3: Cross multiply
1,644,339.36x = 2,269,554.24 × 999,622.56 - Step 4: Simplify right side
1,644,339.36x = 2,268,697,619,447.65 - Step 5: Solve for x
x = 2,268,697,619,447.65/1,644,339.36 - Step 6: Final answer
x = 1,379,701.58
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.