Finding the Fourth Proportional to 2,143,176.66, 2,957,579.87 and 1,225,423.04
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Solution
The fourth proportional to 2,143,176.66, 2,957,579.87 and 1,225,423.04 is: 1,691,081.54
Step by Step Solution
- Step 1: Write the proportion equation
2,143,176.66 : 2,957,579.87 = 1,225,423.04 : x - Step 2: Convert to fraction form
2,143,176.66/2,957,579.87 = 1,225,423.04/x - Step 3: Cross multiply
2,143,176.66x = 2,957,579.87 × 1,225,423.04 - Step 4: Simplify right side
2,143,176.66x = 3,624,286,494,423.19 - Step 5: Solve for x
x = 3,624,286,494,423.19/2,143,176.66 - Step 6: Final answer
x = 1,691,081.54
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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.