Finding the Fourth Proportional to 1,281,645.37, 1,921,336.68 and 483,487.42
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Solution
The fourth proportional to 1,281,645.37, 1,921,336.68 and 483,487.42 is: 724,804.33
Step by Step Solution
- Step 1: Write the proportion equation
1,281,645.37 : 1,921,336.68 = 483,487.42 : x - Step 2: Convert to fraction form
1,281,645.37/1,921,336.68 = 483,487.42/x - Step 3: Cross multiply
1,281,645.37x = 1,921,336.68 × 483,487.42 - Step 4: Simplify right side
1,281,645.37x = 928,942,110,915.12 - Step 5: Solve for x
x = 928,942,110,915.12/1,281,645.37 - Step 6: Final answer
x = 724,804.33
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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.