Finding the Fourth Proportional to 2,183,428.68, 3,013,143.93 and 1,266,202.42
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Solution
The fourth proportional to 2,183,428.68, 3,013,143.93 and 1,266,202.42 is: 1,747,366.50
Step by Step Solution
- Step 1: Write the proportion equation
2,183,428.68 : 3,013,143.93 = 1,266,202.42 : x - Step 2: Convert to fraction form
2,183,428.68/3,013,143.93 = 1,266,202.42/x - Step 3: Cross multiply
2,183,428.68x = 3,013,143.93 × 1,266,202.42 - Step 4: Simplify right side
2,183,428.68x = 3,815,250,120,642.87 - Step 5: Solve for x
x = 3,815,250,120,642.87/2,183,428.68 - Step 6: Final answer
x = 1,747,366.50
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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.