Finding the Fourth Proportional to 2,447,988.05, 3,378,156.37 and 1,360,231.70
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Solution
The fourth proportional to 2,447,988.05, 3,378,156.37 and 1,360,231.70 is: 1,877,082.43
Step by Step Solution
- Step 1: Write the proportion equation
2,447,988.05 : 3,378,156.37 = 1,360,231.70 : x - Step 2: Convert to fraction form
2,447,988.05/3,378,156.37 = 1,360,231.70/x - Step 3: Cross multiply
2,447,988.05x = 3,378,156.37 × 1,360,231.70 - Step 4: Simplify right side
2,447,988.05x = 4,595,075,361,739.57 - Step 5: Solve for x
x = 4,595,075,361,739.57/2,447,988.05 - Step 6: Final answer
x = 1,877,082.43
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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.