Finding the Fourth Proportional to 1,559,209.26, 2,151,708.76 and 843,817.26
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Solution
The fourth proportional to 1,559,209.26, 2,151,708.76 and 843,817.26 is: 1,164,467.81
Step by Step Solution
- Step 1: Write the proportion equation
1,559,209.26 : 2,151,708.76 = 843,817.26 : x - Step 2: Convert to fraction form
1,559,209.26/2,151,708.76 = 843,817.26/x - Step 3: Cross multiply
1,559,209.26x = 2,151,708.76 × 843,817.26 - Step 4: Simplify right side
1,559,209.26x = 1,815,648,990,181.20 - Step 5: Solve for x
x = 1,815,648,990,181.20/1,559,209.26 - Step 6: Final answer
x = 1,164,467.81
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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.