Finding the Fourth Proportional to 1,453,998.44, 2,180,830.80 and 389,123.57
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Solution
The fourth proportional to 1,453,998.44, 2,180,830.80 and 389,123.57 is: 583,640.70
Step by Step Solution
- Step 1: Write the proportion equation
1,453,998.44 : 2,180,830.80 = 389,123.57 : x - Step 2: Convert to fraction form
1,453,998.44/2,180,830.80 = 389,123.57/x - Step 3: Cross multiply
1,453,998.44x = 2,180,830.80 × 389,123.57 - Step 4: Simplify right side
1,453,998.44x = 848,612,666,461.96 - Step 5: Solve for x
x = 848,612,666,461.96/1,453,998.44 - Step 6: Final answer
x = 583,640.70
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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.