Finding the Fourth Proportional to 2,828,115.14, 4,242,181.42 and 698,199.49
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Solution
The fourth proportional to 2,828,115.14, 4,242,181.42 and 698,199.49 is: 1,047,301.38
Step by Step Solution
- Step 1: Write the proportion equation
2,828,115.14 : 4,242,181.42 = 698,199.49 : x - Step 2: Convert to fraction form
2,828,115.14/4,242,181.42 = 698,199.49/x - Step 3: Cross multiply
2,828,115.14x = 4,242,181.42 × 698,199.49 - Step 4: Simplify right side
2,828,115.14x = 2,961,888,882,720.57 - Step 5: Solve for x
x = 2,961,888,882,720.57/2,828,115.14 - Step 6: Final answer
x = 1,047,301.38
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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.