Finding the Fourth Proportional to 2,997,898.05, 4,498,561.13 and 1,268,631.68
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Solution
The fourth proportional to 2,997,898.05, 4,498,561.13 and 1,268,631.68 is: 1,903,672.85
Step by Step Solution
- Step 1: Write the proportion equation
2,997,898.05 : 4,498,561.13 = 1,268,631.68 : x - Step 2: Convert to fraction form
2,997,898.05/4,498,561.13 = 1,268,631.68/x - Step 3: Cross multiply
2,997,898.05x = 4,498,561.13 × 1,268,631.68 - Step 4: Simplify right side
2,997,898.05x = 5,707,017,135,098.64 - Step 5: Solve for x
x = 5,707,017,135,098.64/2,997,898.05 - Step 6: Final answer
x = 1,903,672.85
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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.