Finding the Fourth Proportional to 1,697,579.83, 2,546,370.43 and 418,212.19
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Solution
The fourth proportional to 1,697,579.83, 2,546,370.43 and 418,212.19 is: 627,318.45
Step by Step Solution
- Step 1: Write the proportion equation
1,697,579.83 : 2,546,370.43 = 418,212.19 : x - Step 2: Convert to fraction form
1,697,579.83/2,546,370.43 = 418,212.19/x - Step 3: Cross multiply
1,697,579.83x = 2,546,370.43 × 418,212.19 - Step 4: Simplify right side
1,697,579.83x = 1,064,923,146,670.09 - Step 5: Solve for x
x = 1,064,923,146,670.09/1,697,579.83 - Step 6: Final answer
x = 627,318.45
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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.