Finding the Fourth Proportional to 2,961,472.79, 4,442,480.28 and 831,542.55
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Solution
The fourth proportional to 2,961,472.79, 4,442,480.28 and 831,542.55 is: 1,247,389.95
Step by Step Solution
- Step 1: Write the proportion equation
2,961,472.79 : 4,442,480.28 = 831,542.55 : x - Step 2: Convert to fraction form
2,961,472.79/4,442,480.28 = 831,542.55/x - Step 3: Cross multiply
2,961,472.79x = 4,442,480.28 × 831,542.55 - Step 4: Simplify right side
2,961,472.79x = 3,694,111,376,198.20 - Step 5: Solve for x
x = 3,694,111,376,198.20/2,961,472.79 - Step 6: Final answer
x = 1,247,389.95
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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.