Finding the Fourth Proportional to 1,401,841.23, 2,102,761.85 and 442,394.08
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Solution
The fourth proportional to 1,401,841.23, 2,102,761.85 and 442,394.08 is: 663,591.12
Step by Step Solution
- Step 1: Write the proportion equation
1,401,841.23 : 2,102,761.85 = 442,394.08 : x - Step 2: Convert to fraction form
1,401,841.23/2,102,761.85 = 442,394.08/x - Step 3: Cross multiply
1,401,841.23x = 2,102,761.85 × 442,394.08 - Step 4: Simplify right side
1,401,841.23x = 930,249,387,865.21 - Step 5: Solve for x
x = 930,249,387,865.21/1,401,841.23 - Step 6: Final answer
x = 663,591.12
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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.