Finding the Fourth Proportional to 2,088,216.40, 3,129,797.40 and 887,618.20
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Solution
The fourth proportional to 2,088,216.40, 3,129,797.40 and 887,618.20 is: 1,330,353.09
Step by Step Solution
- Step 1: Write the proportion equation
2,088,216.40 : 3,129,797.40 = 887,618.20 : x - Step 2: Convert to fraction form
2,088,216.40/3,129,797.40 = 887,618.20/x - Step 3: Cross multiply
2,088,216.40x = 3,129,797.40 × 887,618.20 - Step 4: Simplify right side
2,088,216.40x = 2,778,065,134,552.68 - Step 5: Solve for x
x = 2,778,065,134,552.68/2,088,216.40 - Step 6: Final answer
x = 1,330,353.09
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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.