Finding the Fourth Proportional to 2,413,756.20, 3,622,967.10 and 1,217,029.80
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Solution
The fourth proportional to 2,413,756.20, 3,622,967.10 and 1,217,029.80 is: 1,826,720.91
Step by Step Solution
- Step 1: Write the proportion equation
2,413,756.20 : 3,622,967.10 = 1,217,029.80 : x - Step 2: Convert to fraction form
2,413,756.20/3,622,967.10 = 1,217,029.80/x - Step 3: Cross multiply
2,413,756.20x = 3,622,967.10 × 1,217,029.80 - Step 4: Simplify right side
2,413,756.20x = 4,409,258,925,119.58 - Step 5: Solve for x
x = 4,409,258,925,119.58/2,413,756.20 - Step 6: Final answer
x = 1,826,720.91
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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.