Finding the Fourth Proportional to 2,132,056.68, 2,942,245.80 and 1,165,186.68
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Solution
The fourth proportional to 2,132,056.68, 2,942,245.80 and 1,165,186.68 is: 1,607,961.76
Step by Step Solution
- Step 1: Write the proportion equation
2,132,056.68 : 2,942,245.80 = 1,165,186.68 : x - Step 2: Convert to fraction form
2,132,056.68/2,942,245.80 = 1,165,186.68/x - Step 3: Cross multiply
2,132,056.68x = 2,942,245.80 × 1,165,186.68 - Step 4: Simplify right side
2,132,056.68x = 3,428,265,615,445.94 - Step 5: Solve for x
x = 3,428,265,615,445.94/2,132,056.68 - Step 6: Final answer
x = 1,607,961.76
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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.