Finding the Fourth Proportional to 1,874,855.24, 2,587,299.30 and 1,015,415.40
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Solution
The fourth proportional to 1,874,855.24, 2,587,299.30 and 1,015,415.40 is: 1,401,272.75
Step by Step Solution
- Step 1: Write the proportion equation
1,874,855.24 : 2,587,299.30 = 1,015,415.40 : x - Step 2: Convert to fraction form
1,874,855.24/2,587,299.30 = 1,015,415.40/x - Step 3: Cross multiply
1,874,855.24x = 2,587,299.30 × 1,015,415.40 - Step 4: Simplify right side
1,874,855.24x = 2,627,183,553,629.22 - Step 5: Solve for x
x = 2,627,183,553,629.22/1,874,855.24 - Step 6: Final answer
x = 1,401,272.75
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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.