Finding the Fourth Proportional to 3,445,815.99, 4,755,045.54 and 1,896,775.10
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Solution
The fourth proportional to 3,445,815.99, 4,755,045.54 and 1,896,775.10 is: 2,617,450.27
Step by Step Solution
- Step 1: Write the proportion equation
3,445,815.99 : 4,755,045.54 = 1,896,775.10 : x - Step 2: Convert to fraction form
3,445,815.99/4,755,045.54 = 1,896,775.10/x - Step 3: Cross multiply
3,445,815.99x = 4,755,045.54 × 1,896,775.10 - Step 4: Simplify right side
3,445,815.99x = 9,019,251,967,750.44 - Step 5: Solve for x
x = 9,019,251,967,750.44/3,445,815.99 - Step 6: Final answer
x = 2,617,450.27
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.