Finding the Fourth Proportional to 1,569,214.42, 2,353,511.60 and 431,683.14
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Solution
The fourth proportional to 1,569,214.42, 2,353,511.60 and 431,683.14 is: 647,439.42
Step by Step Solution
- Step 1: Write the proportion equation
1,569,214.42 : 2,353,511.60 = 431,683.14 : x - Step 2: Convert to fraction form
1,569,214.42/2,353,511.60 = 431,683.14/x - Step 3: Cross multiply
1,569,214.42x = 2,353,511.60 × 431,683.14 - Step 4: Simplify right side
1,569,214.42x = 1,015,971,277,514.42 - Step 5: Solve for x
x = 1,015,971,277,514.42/1,569,214.42 - Step 6: Final answer
x = 647,439.42
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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.