Finding the Fourth Proportional to 2,615,342.40, 3,609,175.68 and 1,469,422.08
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Solution
The fourth proportional to 2,615,342.40, 3,609,175.68 and 1,469,422.08 is: 2,027,804.25
Step by Step Solution
- Step 1: Write the proportion equation
2,615,342.40 : 3,609,175.68 = 1,469,422.08 : x - Step 2: Convert to fraction form
2,615,342.40/3,609,175.68 = 1,469,422.08/x - Step 3: Cross multiply
2,615,342.40x = 3,609,175.68 × 1,469,422.08 - Step 4: Simplify right side
2,615,342.40x = 5,303,402,434,791.01 - Step 5: Solve for x
x = 5,303,402,434,791.01/2,615,342.40 - Step 6: Final answer
x = 2,027,804.25
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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.