Finding the Fourth Proportional to 1,639,148.24, 2,260,687.56 and 1,376,489.36
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Solution
The fourth proportional to 1,639,148.24, 2,260,687.56 and 1,376,489.36 is: 1,898,432.55
Step by Step Solution
- Step 1: Write the proportion equation
1,639,148.24 : 2,260,687.56 = 1,376,489.36 : x - Step 2: Convert to fraction form
1,639,148.24/2,260,687.56 = 1,376,489.36/x - Step 3: Cross multiply
1,639,148.24x = 2,260,687.56 × 1,376,489.36 - Step 4: Simplify right side
1,639,148.24x = 3,111,812,372,624.36 - Step 5: Solve for x
x = 3,111,812,372,624.36/1,639,148.24 - Step 6: Final answer
x = 1,898,432.55
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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.