Finding the Fourth Proportional to 1,558,423.40, 2,336,468.70 and 849,252.20
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Solution
The fourth proportional to 1,558,423.40, 2,336,468.70 and 849,252.20 is: 1,273,242.68
Step by Step Solution
- Step 1: Write the proportion equation
1,558,423.40 : 2,336,468.70 = 849,252.20 : x - Step 2: Convert to fraction form
1,558,423.40/2,336,468.70 = 849,252.20/x - Step 3: Cross multiply
1,558,423.40x = 2,336,468.70 × 849,252.20 - Step 4: Simplify right side
1,558,423.40x = 1,984,251,183,706.14 - Step 5: Solve for x
x = 1,984,251,183,706.14/1,558,423.40 - Step 6: Final answer
x = 1,273,242.68
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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.