Finding the Fourth Proportional to 1,728,010.40, 2,588,905.20 and 1,410,749.60
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Solution
The fourth proportional to 1,728,010.40, 2,588,905.20 and 1,410,749.60 is: 2,113,585.07
Step by Step Solution
- Step 1: Write the proportion equation
1,728,010.40 : 2,588,905.20 = 1,410,749.60 : x - Step 2: Convert to fraction form
1,728,010.40/2,588,905.20 = 1,410,749.60/x - Step 3: Cross multiply
1,728,010.40x = 2,588,905.20 × 1,410,749.60 - Step 4: Simplify right side
1,728,010.40x = 3,652,296,975,337.92 - Step 5: Solve for x
x = 3,652,296,975,337.92/1,728,010.40 - Step 6: Final answer
x = 2,113,585.07
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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.