Finding the Fourth Proportional to 2,934,128.70, 4,401,193.05 and 2,461,736.70
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Solution
The fourth proportional to 2,934,128.70, 4,401,193.05 and 2,461,736.70 is: 3,692,605.05
Step by Step Solution
- Step 1: Write the proportion equation
2,934,128.70 : 4,401,193.05 = 2,461,736.70 : x - Step 2: Convert to fraction form
2,934,128.70/4,401,193.05 = 2,461,736.70/x - Step 3: Cross multiply
2,934,128.70x = 4,401,193.05 × 2,461,736.70 - Step 4: Simplify right side
2,934,128.70x = 10,834,578,454,969.94 - Step 5: Solve for x
x = 10,834,578,454,969.94/2,934,128.70 - Step 6: Final answer
x = 3,692,605.05
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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.