Finding the Fourth Proportional to 1,638,605.80, 2,452,003.80 and 1,107,164.80
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Solution
The fourth proportional to 1,638,605.80, 2,452,003.80 and 1,107,164.80 is: 1,656,757.41
Step by Step Solution
- Step 1: Write the proportion equation
1,638,605.80 : 2,452,003.80 = 1,107,164.80 : x - Step 2: Convert to fraction form
1,638,605.80/2,452,003.80 = 1,107,164.80/x - Step 3: Cross multiply
1,638,605.80x = 2,452,003.80 × 1,107,164.80 - Step 4: Simplify right side
1,638,605.80x = 2,714,772,296,826.24 - Step 5: Solve for x
x = 2,714,772,296,826.24/1,638,605.80 - Step 6: Final answer
x = 1,656,757.41
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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.