Finding the Fourth Proportional to 2,577,216.50, 3,556,351.36 and 1,489,558.52
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Solution
The fourth proportional to 2,577,216.50, 3,556,351.36 and 1,489,558.52 is: 2,055,470.88
Step by Step Solution
- Step 1: Write the proportion equation
2,577,216.50 : 3,556,351.36 = 1,489,558.52 : x - Step 2: Convert to fraction form
2,577,216.50/3,556,351.36 = 1,489,558.52/x - Step 3: Cross multiply
2,577,216.50x = 3,556,351.36 × 1,489,558.52 - Step 4: Simplify right side
2,577,216.50x = 5,297,393,468,401.59 - Step 5: Solve for x
x = 5,297,393,468,401.59/2,577,216.50 - Step 6: Final answer
x = 2,055,470.88
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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.