Finding the Fourth Proportional to 1,728,749.70, 2,593,124.55 and 1,098,116.10
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Solution
The fourth proportional to 1,728,749.70, 2,593,124.55 and 1,098,116.10 is: 1,647,174.15
Step by Step Solution
- Step 1: Write the proportion equation
1,728,749.70 : 2,593,124.55 = 1,098,116.10 : x - Step 2: Convert to fraction form
1,728,749.70/2,593,124.55 = 1,098,116.10/x - Step 3: Cross multiply
1,728,749.70x = 2,593,124.55 × 1,098,116.10 - Step 4: Simplify right side
1,728,749.70x = 2,847,551,817,660.26 - Step 5: Solve for x
x = 2,847,551,817,660.26/1,728,749.70 - Step 6: Final answer
x = 1,647,174.15
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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.