Finding the Fourth Proportional to 1,988,615.04, 2,981,770.56 and 1,358,290.56
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Solution
The fourth proportional to 1,988,615.04, 2,981,770.56 and 1,358,290.56 is: 2,036,648.99
Step by Step Solution
- Step 1: Write the proportion equation
1,988,615.04 : 2,981,770.56 = 1,358,290.56 : x - Step 2: Convert to fraction form
1,988,615.04/2,981,770.56 = 1,358,290.56/x - Step 3: Cross multiply
1,988,615.04x = 2,981,770.56 × 1,358,290.56 - Step 4: Simplify right side
1,988,615.04x = 4,050,110,803,733.91 - Step 5: Solve for x
x = 4,050,110,803,733.91/1,988,615.04 - Step 6: Final answer
x = 2,036,648.99
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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.