Finding the Fourth Proportional to 3,855,630.12, 5,785,033.18 and 1,695,544.80
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Solution
The fourth proportional to 3,855,630.12, 5,785,033.18 and 1,695,544.80 is: 2,544,015.54
Step by Step Solution
- Step 1: Write the proportion equation
3,855,630.12 : 5,785,033.18 = 1,695,544.80 : x - Step 2: Convert to fraction form
3,855,630.12/5,785,033.18 = 1,695,544.80/x - Step 3: Cross multiply
3,855,630.12x = 5,785,033.18 × 1,695,544.80 - Step 4: Simplify right side
3,855,630.12x = 9,808,782,926,176.46 - Step 5: Solve for x
x = 9,808,782,926,176.46/3,855,630.12 - Step 6: Final answer
x = 2,544,015.54
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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.