Finding the Fourth Proportional to 1,997,597.99, 2,998,529.31 and 860,921.14
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Solution
The fourth proportional to 1,997,597.99, 2,998,529.31 and 860,921.14 is: 1,292,300.69
Step by Step Solution
- Step 1: Write the proportion equation
1,997,597.99 : 2,998,529.31 = 860,921.14 : x - Step 2: Convert to fraction form
1,997,597.99/2,998,529.31 = 860,921.14/x - Step 3: Cross multiply
1,997,597.99x = 2,998,529.31 × 860,921.14 - Step 4: Simplify right side
1,997,597.99x = 2,581,497,265,978.97 - Step 5: Solve for x
x = 2,581,497,265,978.97/1,997,597.99 - Step 6: Final answer
x = 1,292,300.69
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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.