Finding the Fourth Proportional to 3,639,358.35, 5,448,254.81 and 2,696,958.99
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Solution
The fourth proportional to 3,639,358.35, 5,448,254.81 and 2,696,958.99 is: 4,037,447.91
Step by Step Solution
- Step 1: Write the proportion equation
3,639,358.35 : 5,448,254.81 = 2,696,958.99 : x - Step 2: Convert to fraction form
3,639,358.35/5,448,254.81 = 2,696,958.99/x - Step 3: Cross multiply
3,639,358.35x = 5,448,254.81 × 2,696,958.99 - Step 4: Simplify right side
3,639,358.35x = 14,693,719,776,155.45 - Step 5: Solve for x
x = 14,693,719,776,155.45/3,639,358.35 - Step 6: Final answer
x = 4,037,447.91
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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.