Finding the Fourth Proportional to 1,804,023.81, 2,489,553.50 and 988,256.75
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Solution
The fourth proportional to 1,804,023.81, 2,489,553.50 and 988,256.75 is: 1,363,794.67
Step by Step Solution
- Step 1: Write the proportion equation
1,804,023.81 : 2,489,553.50 = 988,256.75 : x - Step 2: Convert to fraction form
1,804,023.81/2,489,553.50 = 988,256.75/x - Step 3: Cross multiply
1,804,023.81x = 2,489,553.50 × 988,256.75 - Step 4: Simplify right side
1,804,023.81x = 2,460,318,050,861.13 - Step 5: Solve for x
x = 2,460,318,050,861.13/1,804,023.81 - Step 6: Final answer
x = 1,363,794.67
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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.