Finding the Fourth Proportional to 1,644,815.67, 2,269,150.58 and 1,101,126.63
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Solution
The fourth proportional to 1,644,815.67, 2,269,150.58 and 1,101,126.63 is: 1,519,089.45
Step by Step Solution
- Step 1: Write the proportion equation
1,644,815.67 : 2,269,150.58 = 1,101,126.63 : x - Step 2: Convert to fraction form
1,644,815.67/2,269,150.58 = 1,101,126.63/x - Step 3: Cross multiply
1,644,815.67x = 2,269,150.58 × 1,101,126.63 - Step 4: Simplify right side
1,644,815.67x = 2,498,622,125,612.31 - Step 5: Solve for x
x = 2,498,622,125,612.31/1,644,815.67 - Step 6: Final answer
x = 1,519,089.45
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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.