Finding the Fourth Proportional to 1,664,627.99, 2,297,251.68 and 939,500.78
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Solution
The fourth proportional to 1,664,627.99, 2,297,251.68 and 939,500.78 is: 1,296,547.79
Step by Step Solution
- Step 1: Write the proportion equation
1,664,627.99 : 2,297,251.68 = 939,500.78 : x - Step 2: Convert to fraction form
1,664,627.99/2,297,251.68 = 939,500.78/x - Step 3: Cross multiply
1,664,627.99x = 2,297,251.68 × 939,500.78 - Step 4: Simplify right side
1,664,627.99x = 2,158,269,745,216.31 - Step 5: Solve for x
x = 2,158,269,745,216.31/1,664,627.99 - Step 6: Final answer
x = 1,296,547.79
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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.