Finding the Fourth Proportional to 2,374,056.19, 3,276,192.96 and 1,286,357.21
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Solution
The fourth proportional to 2,374,056.19, 3,276,192.96 and 1,286,357.21 is: 1,775,170.47
Step by Step Solution
- Step 1: Write the proportion equation
2,374,056.19 : 3,276,192.96 = 1,286,357.21 : x - Step 2: Convert to fraction form
2,374,056.19/3,276,192.96 = 1,286,357.21/x - Step 3: Cross multiply
2,374,056.19x = 3,276,192.96 × 1,286,357.21 - Step 4: Simplify right side
2,374,056.19x = 4,214,354,435,447.24 - Step 5: Solve for x
x = 4,214,354,435,447.24/2,374,056.19 - Step 6: Final answer
x = 1,775,170.47
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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.