Finding the Fourth Proportional to 2,738,698.09, 4,107,948.72 and 845,439.53
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Solution
The fourth proportional to 2,738,698.09, 4,107,948.72 and 845,439.53 is: 1,268,128.91
Step by Step Solution
- Step 1: Write the proportion equation
2,738,698.09 : 4,107,948.72 = 845,439.53 : x - Step 2: Convert to fraction form
2,738,698.09/4,107,948.72 = 845,439.53/x - Step 3: Cross multiply
2,738,698.09x = 4,107,948.72 × 845,439.53 - Step 4: Simplify right side
2,738,698.09x = 3,473,022,211,390.76 - Step 5: Solve for x
x = 3,473,022,211,390.76/2,738,698.09 - Step 6: Final answer
x = 1,268,128.91
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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.