Finding the Fourth Proportional to 1,863,382.28, 2,571,558.66 and 1,047,842.60
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Solution
The fourth proportional to 1,863,382.28, 2,571,558.66 and 1,047,842.60 is: 1,446,074.02
Step by Step Solution
- Step 1: Write the proportion equation
1,863,382.28 : 2,571,558.66 = 1,047,842.60 : x - Step 2: Convert to fraction form
1,863,382.28/2,571,558.66 = 1,047,842.60/x - Step 3: Cross multiply
1,863,382.28x = 2,571,558.66 × 1,047,842.60 - Step 4: Simplify right side
1,863,382.28x = 2,694,588,712,346.92 - Step 5: Solve for x
x = 2,694,588,712,346.92/1,863,382.28 - Step 6: Final answer
x = 1,446,074.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.