Finding the Fourth Proportional to 1,647,125.08, 2,272,709.46 and 1,034,923.18
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Solution
The fourth proportional to 1,647,125.08, 2,272,709.46 and 1,034,923.18 is: 1,427,990.95
Step by Step Solution
- Step 1: Write the proportion equation
1,647,125.08 : 2,272,709.46 = 1,034,923.18 : x - Step 2: Convert to fraction form
1,647,125.08/2,272,709.46 = 1,034,923.18/x - Step 3: Cross multiply
1,647,125.08x = 2,272,709.46 × 1,034,923.18 - Step 4: Simplify right side
1,647,125.08x = 2,352,079,701,559.28 - Step 5: Solve for x
x = 2,352,079,701,559.28/1,647,125.08 - Step 6: Final answer
x = 1,427,990.95
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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.