Finding the Fourth Proportional to 2,961,472.29, 4,442,479.53 and 831,542.05
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Solution
The fourth proportional to 2,961,472.29, 4,442,479.53 and 831,542.05 is: 1,247,389.20
Step by Step Solution
- Step 1: Write the proportion equation
2,961,472.29 : 4,442,479.53 = 831,542.05 : x - Step 2: Convert to fraction form
2,961,472.29/4,442,479.53 = 831,542.05/x - Step 3: Cross multiply
2,961,472.29x = 4,442,479.53 × 831,542.05 - Step 4: Simplify right side
2,961,472.29x = 3,694,108,537,894.05 - Step 5: Solve for x
x = 3,694,108,537,894.05/2,961,472.29 - Step 6: Final answer
x = 1,247,389.20
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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.