Finding the Fourth Proportional to 4,977,448.28, 6,868,617.35 and 2,801,919.09
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Solution
The fourth proportional to 4,977,448.28, 6,868,617.35 and 2,801,919.09 is: 3,866,501.27
Step by Step Solution
- Step 1: Write the proportion equation
4,977,448.28 : 6,868,617.35 = 2,801,919.09 : x - Step 2: Convert to fraction form
4,977,448.28/6,868,617.35 = 2,801,919.09/x - Step 3: Cross multiply
4,977,448.28x = 6,868,617.35 × 2,801,919.09 - Step 4: Simplify right side
4,977,448.28x = 19,245,310,086,617.93 - Step 5: Solve for x
x = 19,245,310,086,617.93/4,977,448.28 - Step 6: Final answer
x = 3,866,501.27
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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.