Finding the Fourth Proportional to 1,448,387.74, 2,000,433.93 and 953,882.20
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Solution
The fourth proportional to 1,448,387.74, 2,000,433.93 and 953,882.20 is: 1,317,449.92
Step by Step Solution
- Step 1: Write the proportion equation
1,448,387.74 : 2,000,433.93 = 953,882.20 : x - Step 2: Convert to fraction form
1,448,387.74/2,000,433.93 = 953,882.20/x - Step 3: Cross multiply
1,448,387.74x = 2,000,433.93 × 953,882.20 - Step 4: Simplify right side
1,448,387.74x = 1,908,178,318,103.05 - Step 5: Solve for x
x = 1,908,178,318,103.05/1,448,387.74 - Step 6: Final answer
x = 1,317,449.92
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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.