Finding the Fourth Proportional to 3,324,462.87, 4,587,560.99 and 1,928,916.74
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Solution
The fourth proportional to 3,324,462.87, 4,587,560.99 and 1,928,916.74 is: 2,661,790.35
Step by Step Solution
- Step 1: Write the proportion equation
3,324,462.87 : 4,587,560.99 = 1,928,916.74 : x - Step 2: Convert to fraction form
3,324,462.87/4,587,560.99 = 1,928,916.74/x - Step 3: Cross multiply
3,324,462.87x = 4,587,560.99 × 1,928,916.74 - Step 4: Simplify right side
3,324,462.87x = 8,849,023,171,266.46 - Step 5: Solve for x
x = 8,849,023,171,266.46/3,324,462.87 - Step 6: Final answer
x = 2,661,790.35
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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.