Finding the Fourth Proportional to 1,638,209.68, 2,458,421.69 and 573,260.96
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Solution
The fourth proportional to 1,638,209.68, 2,458,421.69 and 573,260.96 is: 860,278.88
Step by Step Solution
- Step 1: Write the proportion equation
1,638,209.68 : 2,458,421.69 = 573,260.96 : x - Step 2: Convert to fraction form
1,638,209.68/2,458,421.69 = 573,260.96/x - Step 3: Cross multiply
1,638,209.68x = 2,458,421.69 × 573,260.96 - Step 4: Simplify right side
1,638,209.68x = 1,409,317,185,673.43 - Step 5: Solve for x
x = 1,409,317,185,673.43/1,638,209.68 - Step 6: Final answer
x = 860,278.88
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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.