Finding the Fourth Proportional to 2,511,874.32, 3,466,477.80 and 1,438,993.68
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Solution
The fourth proportional to 2,511,874.32, 3,466,477.80 and 1,438,993.68 is: 1,985,863.55
Step by Step Solution
- Step 1: Write the proportion equation
2,511,874.32 : 3,466,477.80 = 1,438,993.68 : x - Step 2: Convert to fraction form
2,511,874.32/3,466,477.80 = 1,438,993.68/x - Step 3: Cross multiply
2,511,874.32x = 3,466,477.80 × 1,438,993.68 - Step 4: Simplify right side
2,511,874.32x = 4,988,239,646,060.30 - Step 5: Solve for x
x = 4,988,239,646,060.30/2,511,874.32 - Step 6: Final answer
x = 1,985,863.55
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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.