Finding the Fourth Proportional to 2,113,639.98, 3,168,593.73 and 1,617,220.14
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Solution
The fourth proportional to 2,113,639.98, 3,168,593.73 and 1,617,220.14 is: 2,424,402.28
Step by Step Solution
- Step 1: Write the proportion equation
2,113,639.98 : 3,168,593.73 = 1,617,220.14 : x - Step 2: Convert to fraction form
2,113,639.98/3,168,593.73 = 1,617,220.14/x - Step 3: Cross multiply
2,113,639.98x = 3,168,593.73 × 1,617,220.14 - Step 4: Simplify right side
2,113,639.98x = 5,124,313,595,633.72 - Step 5: Solve for x
x = 5,124,313,595,633.72/2,113,639.98 - Step 6: Final answer
x = 2,424,402.28
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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.