Finding the Fourth Proportional to 3,162,555.09, 4,745,784.53 and 1,243,130.44
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Solution
The fourth proportional to 3,162,555.09, 4,745,784.53 and 1,243,130.44 is: 1,865,462.91
Step by Step Solution
- Step 1: Write the proportion equation
3,162,555.09 : 4,745,784.53 = 1,243,130.44 : x - Step 2: Convert to fraction form
3,162,555.09/4,745,784.53 = 1,243,130.44/x - Step 3: Cross multiply
3,162,555.09x = 4,745,784.53 × 1,243,130.44 - Step 4: Simplify right side
3,162,555.09x = 5,899,629,211,065.80 - Step 5: Solve for x
x = 5,899,629,211,065.80/3,162,555.09 - Step 6: Final answer
x = 1,865,462.91
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.