Finding the Fourth Proportional to 1,638,028.26, 2,457,485.28 and 500,830.65
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Solution
The fourth proportional to 1,638,028.26, 2,457,485.28 and 500,830.65 is: 751,381.39
Step by Step Solution
- Step 1: Write the proportion equation
1,638,028.26 : 2,457,485.28 = 500,830.65 : x - Step 2: Convert to fraction form
1,638,028.26/2,457,485.28 = 500,830.65/x - Step 3: Cross multiply
1,638,028.26x = 2,457,485.28 × 500,830.65 - Step 4: Simplify right side
1,638,028.26x = 1,230,783,950,147.83 - Step 5: Solve for x
x = 1,230,783,950,147.83/1,638,028.26 - Step 6: Final answer
x = 751,381.39
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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.