Finding the Fourth Proportional to 2,427,011.99, 3,642,143.20 and 1,007,069.43
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Solution
The fourth proportional to 2,427,011.99, 3,642,143.20 and 1,007,069.43 is: 1,511,278.52
Step by Step Solution
- Step 1: Write the proportion equation
2,427,011.99 : 3,642,143.20 = 1,007,069.43 : x - Step 2: Convert to fraction form
2,427,011.99/3,642,143.20 = 1,007,069.43/x - Step 3: Cross multiply
2,427,011.99x = 3,642,143.20 × 1,007,069.43 - Step 4: Simplify right side
2,427,011.99x = 3,667,891,087,542.74 - Step 5: Solve for x
x = 3,667,891,087,542.74/2,427,011.99 - Step 6: Final answer
x = 1,511,278.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.