Finding the Fourth Proportional to 3,416,261.40, 4,714,441.92 and 1,888,368.12
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Solution
The fourth proportional to 3,416,261.40, 4,714,441.92 and 1,888,368.12 is: 2,605,948.66
Step by Step Solution
- Step 1: Write the proportion equation
3,416,261.40 : 4,714,441.92 = 1,888,368.12 : x - Step 2: Convert to fraction form
3,416,261.40/4,714,441.92 = 1,888,368.12/x - Step 3: Cross multiply
3,416,261.40x = 4,714,441.92 × 1,888,368.12 - Step 4: Simplify right side
3,416,261.40x = 8,902,601,825,319.59 - Step 5: Solve for x
x = 8,902,601,825,319.59/3,416,261.40 - Step 6: Final answer
x = 2,605,948.66
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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.