Finding the Fourth Proportional to 2,286,457.28, 3,155,083.70 and 1,319,898.96
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Solution
The fourth proportional to 2,286,457.28, 3,155,083.70 and 1,319,898.96 is: 1,821,329.32
Step by Step Solution
- Step 1: Write the proportion equation
2,286,457.28 : 3,155,083.70 = 1,319,898.96 : x - Step 2: Convert to fraction form
2,286,457.28/3,155,083.70 = 1,319,898.96/x - Step 3: Cross multiply
2,286,457.28x = 3,155,083.70 × 1,319,898.96 - Step 4: Simplify right side
2,286,457.28x = 4,164,391,694,342.95 - Step 5: Solve for x
x = 4,164,391,694,342.95/2,286,457.28 - Step 6: Final answer
x = 1,821,329.32
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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.