Finding the Fourth Proportional to 2,021,660.67, 2,789,880.64 and 1,103,883.31
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Solution
The fourth proportional to 2,021,660.67, 2,789,880.64 and 1,103,883.31 is: 1,523,352.91
Step by Step Solution
- Step 1: Write the proportion equation
2,021,660.67 : 2,789,880.64 = 1,103,883.31 : x - Step 2: Convert to fraction form
2,021,660.67/2,789,880.64 = 1,103,883.31/x - Step 3: Cross multiply
2,021,660.67x = 2,789,880.64 × 1,103,883.31 - Step 4: Simplify right side
2,021,660.67x = 3,079,702,676,115.76 - Step 5: Solve for x
x = 3,079,702,676,115.76/2,021,660.67 - Step 6: Final answer
x = 1,523,352.91
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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.