Finding the Fourth Proportional to 4,414,418.61, 6,621,562.31 and 1,219,474.05
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Solution
The fourth proportional to 4,414,418.61, 6,621,562.31 and 1,219,474.05 is: 1,829,192.95
Step by Step Solution
- Step 1: Write the proportion equation
4,414,418.61 : 6,621,562.31 = 1,219,474.05 : x - Step 2: Convert to fraction form
4,414,418.61/6,621,562.31 = 1,219,474.05/x - Step 3: Cross multiply
4,414,418.61x = 6,621,562.31 × 1,219,474.05 - Step 4: Simplify right side
4,414,418.61x = 8,074,823,401,405.69 - Step 5: Solve for x
x = 8,074,823,401,405.69/4,414,418.61 - Step 6: Final answer
x = 1,829,192.95
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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.