Finding the Fourth Proportional to 1,809,858.48, 2,715,137.64 and 687,840
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Solution
The fourth proportional to 1,809,858.48, 2,715,137.64 and 687,840 is: 1,031,892.99
Step by Step Solution
- Step 1: Write the proportion equation
1,809,858.48 : 2,715,137.64 = 687,840 : x - Step 2: Convert to fraction form
1,809,858.48/2,715,137.64 = 687,840/x - Step 3: Cross multiply
1,809,858.48x = 2,715,137.64 × 687,840 - Step 4: Simplify right side
1,809,858.48x = 1,867,580,274,297.60 - Step 5: Solve for x
x = 1,867,580,274,297.60/1,809,858.48 - Step 6: Final answer
x = 1,031,892.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.