Finding the Fourth Proportional to 1,869,452.09, 2,579,845.70 and 1,010,013.03
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Solution
The fourth proportional to 1,869,452.09, 2,579,845.70 and 1,010,013.03 is: 1,393,818.96
Step by Step Solution
- Step 1: Write the proportion equation
1,869,452.09 : 2,579,845.70 = 1,010,013.03 : x - Step 2: Convert to fraction form
1,869,452.09/2,579,845.70 = 1,010,013.03/x - Step 3: Cross multiply
1,869,452.09x = 2,579,845.70 × 1,010,013.03 - Step 4: Simplify right side
1,869,452.09x = 2,605,677,765,240.08 - Step 5: Solve for x
x = 2,605,677,765,240.08/1,869,452.09 - Step 6: Final answer
x = 1,393,818.96
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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.