Finding the Fourth Proportional to 1,532,148.81, 2,114,297.12 and 878,306.09
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Solution
The fourth proportional to 1,532,148.81, 2,114,297.12 and 878,306.09 is: 1,212,023.29
Step by Step Solution
- Step 1: Write the proportion equation
1,532,148.81 : 2,114,297.12 = 878,306.09 : x - Step 2: Convert to fraction form
1,532,148.81/2,114,297.12 = 878,306.09/x - Step 3: Cross multiply
1,532,148.81x = 2,114,297.12 × 878,306.09 - Step 4: Simplify right side
1,532,148.81x = 1,857,000,030,181.84 - Step 5: Solve for x
x = 1,857,000,030,181.84/1,532,148.81 - Step 6: Final answer
x = 1,212,023.29
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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.