Finding the Fourth Proportional to 2,825,563.52, 4,235,856.98 and 1,120,903.99
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Solution
The fourth proportional to 2,825,563.52, 4,235,856.98 and 1,120,903.99 is: 1,680,368.87
Step by Step Solution
- Step 1: Write the proportion equation
2,825,563.52 : 4,235,856.98 = 1,120,903.99 : x - Step 2: Convert to fraction form
2,825,563.52/4,235,856.98 = 1,120,903.99/x - Step 3: Cross multiply
2,825,563.52x = 4,235,856.98 × 1,120,903.99 - Step 4: Simplify right side
2,825,563.52x = 4,747,988,973,757.19 - Step 5: Solve for x
x = 4,747,988,973,757.19/2,825,563.52 - Step 6: Final answer
x = 1,680,368.87
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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.