Finding the Fourth Proportional to 1,449,739.20, 2,000,575.36 and 869,282.76
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Solution
The fourth proportional to 1,449,739.20, 2,000,575.36 and 869,282.76 is: 1,199,571.39
Step by Step Solution
- Step 1: Write the proportion equation
1,449,739.20 : 2,000,575.36 = 869,282.76 : x - Step 2: Convert to fraction form
1,449,739.20/2,000,575.36 = 869,282.76/x - Step 3: Cross multiply
1,449,739.20x = 2,000,575.36 × 869,282.76 - Step 4: Simplify right side
1,449,739.20x = 1,739,065,670,528.79 - Step 5: Solve for x
x = 1,739,065,670,528.79/1,449,739.20 - Step 6: Final answer
x = 1,199,571.39
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.