Finding the Fourth Proportional to 1,425,381.67, 1,966,280.97 and 881,343.55
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Solution
The fourth proportional to 1,425,381.67, 1,966,280.97 and 881,343.55 is: 1,215,793.00
Step by Step Solution
- Step 1: Write the proportion equation
1,425,381.67 : 1,966,280.97 = 881,343.55 : x - Step 2: Convert to fraction form
1,425,381.67/1,966,280.97 = 881,343.55/x - Step 3: Cross multiply
1,425,381.67x = 1,966,280.97 × 881,343.55 - Step 4: Simplify right side
1,425,381.67x = 1,732,969,050,397.24 - Step 5: Solve for x
x = 1,732,969,050,397.24/1,425,381.67 - Step 6: Final answer
x = 1,215,793.00
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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.