Finding the Fourth Proportional to 1,313,732.30, 1,970,598.45 and 1,284,207.80
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Solution
The fourth proportional to 1,313,732.30, 1,970,598.45 and 1,284,207.80 is: 1,926,311.70
Step by Step Solution
- Step 1: Write the proportion equation
1,313,732.30 : 1,970,598.45 = 1,284,207.80 : x - Step 2: Convert to fraction form
1,313,732.30/1,970,598.45 = 1,284,207.80/x - Step 3: Cross multiply
1,313,732.30x = 1,970,598.45 × 1,284,207.80 - Step 4: Simplify right side
1,313,732.30x = 2,530,657,900,157.91 - Step 5: Solve for x
x = 2,530,657,900,157.91/1,313,732.30 - Step 6: Final answer
x = 1,926,311.70
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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.