Finding the Fourth Proportional to 2,946,252.20, 4,420,457.76 and 1,240,824.80
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Solution
The fourth proportional to 2,946,252.20, 4,420,457.76 and 1,240,824.80 is: 1,861,691.82
Step by Step Solution
- Step 1: Write the proportion equation
2,946,252.20 : 4,420,457.76 = 1,240,824.80 : x - Step 2: Convert to fraction form
2,946,252.20/4,420,457.76 = 1,240,824.80/x - Step 3: Cross multiply
2,946,252.20x = 4,420,457.76 × 1,240,824.80 - Step 4: Simplify right side
2,946,252.20x = 5,485,013,615,960.45 - Step 5: Solve for x
x = 5,485,013,615,960.45/2,946,252.20 - Step 6: Final answer
x = 1,861,691.82
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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.