Finding the Fourth Proportional to 2,286,140.40, 3,425,711.40 and 2,160,169.20
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Solution
The fourth proportional to 2,286,140.40, 3,425,711.40 and 2,160,169.20 is: 3,236,947.41
Step by Step Solution
- Step 1: Write the proportion equation
2,286,140.40 : 3,425,711.40 = 2,160,169.20 : x - Step 2: Convert to fraction form
2,286,140.40/3,425,711.40 = 2,160,169.20/x - Step 3: Cross multiply
2,286,140.40x = 3,425,711.40 × 2,160,169.20 - Step 4: Simplify right side
2,286,140.40x = 7,400,116,254,368.88 - Step 5: Solve for x
x = 7,400,116,254,368.88/2,286,140.40 - Step 6: Final answer
x = 3,236,947.41
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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.