Finding the Fourth Proportional to 1,401,454.20, 2,101,184.85 and 671,141.09
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Solution
The fourth proportional to 1,401,454.20, 2,101,184.85 and 671,141.09 is: 1,006,234.45
Step by Step Solution
- Step 1: Write the proportion equation
1,401,454.20 : 2,101,184.85 = 671,141.09 : x - Step 2: Convert to fraction form
1,401,454.20/2,101,184.85 = 671,141.09/x - Step 3: Cross multiply
1,401,454.20x = 2,101,184.85 × 671,141.09 - Step 4: Simplify right side
1,401,454.20x = 1,410,191,498,290.23 - Step 5: Solve for x
x = 1,410,191,498,290.23/1,401,454.20 - Step 6: Final answer
x = 1,006,234.45
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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.