Finding the Fourth Proportional to 1,998,337, 2,757,538.35 and 1,127,123.68
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Solution
The fourth proportional to 1,998,337, 2,757,538.35 and 1,127,123.68 is: 1,555,336.65
Step by Step Solution
- Step 1: Write the proportion equation
1,998,337 : 2,757,538.35 = 1,127,123.68 : x - Step 2: Convert to fraction form
1,998,337/2,757,538.35 = 1,127,123.68/x - Step 3: Cross multiply
1,998,337x = 2,757,538.35 × 1,127,123.68 - Step 4: Simplify right side
1,998,337x = 3,108,086,772,793.13 - Step 5: Solve for x
x = 3,108,086,772,793.13/1,998,337 - Step 6: Final answer
x = 1,555,336.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.