Finding the Fourth Proportional to 2,115,499.68, 2,919,394.32 and 1,148,629.92
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Solution
The fourth proportional to 2,115,499.68, 2,919,394.32 and 1,148,629.92 is: 1,585,111.87
Step by Step Solution
- Step 1: Write the proportion equation
2,115,499.68 : 2,919,394.32 = 1,148,629.92 : x - Step 2: Convert to fraction form
2,115,499.68/2,919,394.32 = 1,148,629.92/x - Step 3: Cross multiply
2,115,499.68x = 2,919,394.32 × 1,148,629.92 - Step 4: Simplify right side
2,115,499.68x = 3,353,303,664,230.05 - Step 5: Solve for x
x = 3,353,303,664,230.05/2,115,499.68 - Step 6: Final answer
x = 1,585,111.87
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.