Finding the Fourth Proportional to 4,448,260.80, 6,138,050.40 and 3,158,630.64
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Solution
The fourth proportional to 4,448,260.80, 6,138,050.40 and 3,158,630.64 is: 4,358,520.09
Step by Step Solution
- Step 1: Write the proportion equation
4,448,260.80 : 6,138,050.40 = 3,158,630.64 : x - Step 2: Convert to fraction form
4,448,260.80/6,138,050.40 = 3,158,630.64/x - Step 3: Cross multiply
4,448,260.80x = 6,138,050.40 × 3,158,630.64 - Step 4: Simplify right side
4,448,260.80x = 19,387,834,063,304.26 - Step 5: Solve for x
x = 19,387,834,063,304.26/4,448,260.80 - Step 6: Final answer
x = 4,358,520.09
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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.