Finding the Fourth Proportional to 2,086,355.56, 2,879,239.14 and 1,180,918.12
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Solution
The fourth proportional to 2,086,355.56, 2,879,239.14 and 1,180,918.12 is: 1,629,705.76
Step by Step Solution
- Step 1: Write the proportion equation
2,086,355.56 : 2,879,239.14 = 1,180,918.12 : x - Step 2: Convert to fraction form
2,086,355.56/2,879,239.14 = 1,180,918.12/x - Step 3: Cross multiply
2,086,355.56x = 2,879,239.14 × 1,180,918.12 - Step 4: Simplify right side
2,086,355.56x = 3,400,145,672,239.22 - Step 5: Solve for x
x = 3,400,145,672,239.22/2,086,355.56 - Step 6: Final answer
x = 1,629,705.76
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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.