Finding the Fourth Proportional to 4,450,585.40, 6,142,594.20 and 2,615,043.32
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Solution
The fourth proportional to 4,450,585.40, 6,142,594.20 and 2,615,043.32 is: 3,609,221.82
Step by Step Solution
- Step 1: Write the proportion equation
4,450,585.40 : 6,142,594.20 = 2,615,043.32 : x - Step 2: Convert to fraction form
4,450,585.40/6,142,594.20 = 2,615,043.32/x - Step 3: Cross multiply
4,450,585.40x = 6,142,594.20 × 2,615,043.32 - Step 4: Simplify right side
4,450,585.40x = 16,063,149,930,180.74 - Step 5: Solve for x
x = 16,063,149,930,180.74/4,450,585.40 - Step 6: Final answer
x = 3,609,221.82
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1.5x scale
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.