Finding the Fourth Proportional to 2,486,049.12, 3,729,261.60 and 688,911.84
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Solution
The fourth proportional to 2,486,049.12, 3,729,261.60 and 688,911.84 is: 1,033,419.83
Step by Step Solution
- Step 1: Write the proportion equation
2,486,049.12 : 3,729,261.60 = 688,911.84 : x - Step 2: Convert to fraction form
2,486,049.12/3,729,261.60 = 688,911.84/x - Step 3: Cross multiply
2,486,049.12x = 3,729,261.60 × 688,911.84 - Step 4: Simplify right side
2,486,049.12x = 2,569,132,470,697.34 - Step 5: Solve for x
x = 2,569,132,470,697.34/2,486,049.12 - Step 6: Final answer
x = 1,033,419.83
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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.