Finding the Fourth Proportional to 1,458,515.70, 2,187,773.55 and 393,556.05
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Solution
The fourth proportional to 1,458,515.70, 2,187,773.55 and 393,556.05 is: 590,334.08
Step by Step Solution
- Step 1: Write the proportion equation
1,458,515.70 : 2,187,773.55 = 393,556.05 : x - Step 2: Convert to fraction form
1,458,515.70/2,187,773.55 = 393,556.05/x - Step 3: Cross multiply
1,458,515.70x = 2,187,773.55 × 393,556.05 - Step 4: Simplify right side
1,458,515.70x = 861,011,516,632.48 - Step 5: Solve for x
x = 861,011,516,632.48/1,458,515.70 - Step 6: Final answer
x = 590,334.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.