Finding the Fourth Proportional to 3,189,472.41, 4,401,312.35 and 1,812,634.41
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Solution
The fourth proportional to 3,189,472.41, 4,401,312.35 and 1,812,634.41 is: 2,501,344.79
Step by Step Solution
- Step 1: Write the proportion equation
3,189,472.41 : 4,401,312.35 = 1,812,634.41 : x - Step 2: Convert to fraction form
3,189,472.41/4,401,312.35 = 1,812,634.41/x - Step 3: Cross multiply
3,189,472.41x = 4,401,312.35 × 1,812,634.41 - Step 4: Simplify right side
3,189,472.41x = 7,977,970,205,704.79 - Step 5: Solve for x
x = 7,977,970,205,704.79/3,189,472.41 - Step 6: Final answer
x = 2,501,344.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.