Finding the Fourth Proportional to 1,483,900.38, 2,047,782.65 and 839,306.70
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Solution
The fourth proportional to 1,483,900.38, 2,047,782.65 and 839,306.70 is: 1,158,243.32
Step by Step Solution
- Step 1: Write the proportion equation
1,483,900.38 : 2,047,782.65 = 839,306.70 : x - Step 2: Convert to fraction form
1,483,900.38/2,047,782.65 = 839,306.70/x - Step 3: Cross multiply
1,483,900.38x = 2,047,782.65 × 839,306.70 - Step 4: Simplify right side
1,483,900.38x = 1,718,717,690,148.11 - Step 5: Solve for x
x = 1,718,717,690,148.11/1,483,900.38 - Step 6: Final answer
x = 1,158,243.32
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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.