Finding the Fourth Proportional to 2,080,803.20, 3,117,705.60 and 1,370,465.60
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Solution
The fourth proportional to 2,080,803.20, 3,117,705.60 and 1,370,465.60 is: 2,053,393.75
Step by Step Solution
- Step 1: Write the proportion equation
2,080,803.20 : 3,117,705.60 = 1,370,465.60 : x - Step 2: Convert to fraction form
2,080,803.20/3,117,705.60 = 1,370,465.60/x - Step 3: Cross multiply
2,080,803.20x = 3,117,705.60 × 1,370,465.60 - Step 4: Simplify right side
2,080,803.20x = 4,272,708,275,727.36 - Step 5: Solve for x
x = 4,272,708,275,727.36/2,080,803.20 - Step 6: Final answer
x = 2,053,393.75
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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.