Finding the Fourth Proportional to 2,664,752.14, 3,997,091.24 and 642,979.18
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Solution
The fourth proportional to 2,664,752.14, 3,997,091.24 and 642,979.18 is: 964,459.85
Step by Step Solution
- Step 1: Write the proportion equation
2,664,752.14 : 3,997,091.24 = 642,979.18 : x - Step 2: Convert to fraction form
2,664,752.14/3,997,091.24 = 642,979.18/x - Step 3: Cross multiply
2,664,752.14x = 3,997,091.24 × 642,979.18 - Step 4: Simplify right side
2,664,752.14x = 2,570,046,447,880.38 - Step 5: Solve for x
x = 2,570,046,447,880.38/2,664,752.14 - Step 6: Final answer
x = 964,459.85
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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.