Finding the Fourth Proportional to 3,776,780.58, 5,666,845.34 and 1,979,236.68
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Solution
The fourth proportional to 3,776,780.58, 5,666,845.34 and 1,979,236.68 is: 2,969,732.53
Step by Step Solution
- Step 1: Write the proportion equation
3,776,780.58 : 5,666,845.34 = 1,979,236.68 : x - Step 2: Convert to fraction form
3,776,780.58/5,666,845.34 = 1,979,236.68/x - Step 3: Cross multiply
3,776,780.58x = 5,666,845.34 × 1,979,236.68 - Step 4: Simplify right side
3,776,780.58x = 11,216,028,156,815.07 - Step 5: Solve for x
x = 11,216,028,156,815.07/3,776,780.58 - Step 6: Final answer
x = 2,969,732.53
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.