Finding the Fourth Proportional to 3,948,653.09, 5,923,341.11 and 1,108,746.11
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Solution
The fourth proportional to 3,948,653.09, 5,923,341.11 and 1,108,746.11 is: 1,663,220.66
Step by Step Solution
- Step 1: Write the proportion equation
3,948,653.09 : 5,923,341.11 = 1,108,746.11 : x - Step 2: Convert to fraction form
3,948,653.09/5,923,341.11 = 1,108,746.11/x - Step 3: Cross multiply
3,948,653.09x = 5,923,341.11 × 1,108,746.11 - Step 4: Simplify right side
3,948,653.09x = 6,567,481,413,915.58 - Step 5: Solve for x
x = 6,567,481,413,915.58/3,948,653.09 - Step 6: Final answer
x = 1,663,220.66
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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.