Finding the Fourth Proportional to 2,319,715.97, 3,478,739.66 and 802,987.73
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Solution
The fourth proportional to 2,319,715.97, 3,478,739.66 and 802,987.73 is: 1,204,192.80
Step by Step Solution
- Step 1: Write the proportion equation
2,319,715.97 : 3,478,739.66 = 802,987.73 : x - Step 2: Convert to fraction form
2,319,715.97/3,478,739.66 = 802,987.73/x - Step 3: Cross multiply
2,319,715.97x = 3,478,739.66 × 802,987.73 - Step 4: Simplify right side
2,319,715.97x = 2,793,385,262,844.37 - Step 5: Solve for x
x = 2,793,385,262,844.37/2,319,715.97 - Step 6: Final answer
x = 1,204,192.80
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1.5x scale
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.