Finding the Fourth Proportional to 1,557,511.10, 2,334,954.45 and 809,557.10
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Solution
The fourth proportional to 1,557,511.10, 2,334,954.45 and 809,557.10 is: 1,213,653.60
Step by Step Solution
- Step 1: Write the proportion equation
1,557,511.10 : 2,334,954.45 = 809,557.10 : x - Step 2: Convert to fraction form
1,557,511.10/2,334,954.45 = 809,557.10/x - Step 3: Cross multiply
1,557,511.10x = 2,334,954.45 × 809,557.10 - Step 4: Simplify right side
1,557,511.10x = 1,890,278,953,174.10 - Step 5: Solve for x
x = 1,890,278,953,174.10/1,557,511.10 - Step 6: Final answer
x = 1,213,653.60
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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.