Finding the Fourth Proportional to 2,247,106.80, 3,370,660.20 and 828,181.20
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Solution
The fourth proportional to 2,247,106.80, 3,370,660.20 and 828,181.20 is: 1,242,271.80
Step by Step Solution
- Step 1: Write the proportion equation
2,247,106.80 : 3,370,660.20 = 828,181.20 : x - Step 2: Convert to fraction form
2,247,106.80/3,370,660.20 = 828,181.20/x - Step 3: Cross multiply
2,247,106.80x = 3,370,660.20 × 828,181.20 - Step 4: Simplify right side
2,247,106.80x = 2,791,517,409,228.24 - Step 5: Solve for x
x = 2,791,517,409,228.24/2,247,106.80 - Step 6: Final answer
x = 1,242,271.80
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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.