Finding the Fourth Proportional to 3,788,433.06, 5,682,698.82 and 1,264,088.30
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Solution
The fourth proportional to 3,788,433.06, 5,682,698.82 and 1,264,088.30 is: 1,896,148.88
Step by Step Solution
- Step 1: Write the proportion equation
3,788,433.06 : 5,682,698.82 = 1,264,088.30 : x - Step 2: Convert to fraction form
3,788,433.06/5,682,698.82 = 1,264,088.30/x - Step 3: Cross multiply
3,788,433.06x = 5,682,698.82 × 1,264,088.30 - Step 4: Simplify right side
3,788,433.06x = 7,183,433,090,785.81 - Step 5: Solve for x
x = 7,183,433,090,785.81/3,788,433.06 - Step 6: Final answer
x = 1,896,148.88
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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.