Finding the Fourth Proportional to 2,153,449.20, 3,229,007.40 and 889,849.20
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Solution
The fourth proportional to 2,153,449.20, 3,229,007.40 and 889,849.20 is: 1,334,291.82
Step by Step Solution
- Step 1: Write the proportion equation
2,153,449.20 : 3,229,007.40 = 889,849.20 : x - Step 2: Convert to fraction form
2,153,449.20/3,229,007.40 = 889,849.20/x - Step 3: Cross multiply
2,153,449.20x = 3,229,007.40 × 889,849.20 - Step 4: Simplify right side
2,153,449.20x = 2,873,329,651,684.08 - Step 5: Solve for x
x = 2,873,329,651,684.08/2,153,449.20 - Step 6: Final answer
x = 1,334,291.82
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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.