Finding the Fourth Proportional to 2,624,889.60, 3,929,461.20 and 2,469,175.20
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Solution
The fourth proportional to 2,624,889.60, 3,929,461.20 and 2,469,175.20 is: 3,696,356.66
Step by Step Solution
- Step 1: Write the proportion equation
2,624,889.60 : 3,929,461.20 = 2,469,175.20 : x - Step 2: Convert to fraction form
2,624,889.60/3,929,461.20 = 2,469,175.20/x - Step 3: Cross multiply
2,624,889.60x = 3,929,461.20 × 2,469,175.20 - Step 4: Simplify right side
2,624,889.60x = 9,702,528,144,402.24 - Step 5: Solve for x
x = 9,702,528,144,402.24/2,624,889.60 - Step 6: Final answer
x = 3,696,356.66
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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.