Finding the Fourth Proportional to 1,789,764.70, 2,469,875.70 and 984,948.70
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Solution
The fourth proportional to 1,789,764.70, 2,469,875.70 and 984,948.70 is: 1,359,229.43
Step by Step Solution
- Step 1: Write the proportion equation
1,789,764.70 : 2,469,875.70 = 984,948.70 : x - Step 2: Convert to fraction form
1,789,764.70/2,469,875.70 = 984,948.70/x - Step 3: Cross multiply
1,789,764.70x = 2,469,875.70 × 984,948.70 - Step 4: Simplify right side
1,789,764.70x = 2,432,700,859,876.59 - Step 5: Solve for x
x = 2,432,700,859,876.59/1,789,764.70 - Step 6: Final answer
x = 1,359,229.43
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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.