Finding the Fourth Proportional to 1,761,935.60, 2,642,644.20 and 499,890.80
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Solution
The fourth proportional to 1,761,935.60, 2,642,644.20 and 499,890.80 is: 749,762.66
Step by Step Solution
- Step 1: Write the proportion equation
1,761,935.60 : 2,642,644.20 = 499,890.80 : x - Step 2: Convert to fraction form
1,761,935.60/2,642,644.20 = 499,890.80/x - Step 3: Cross multiply
1,761,935.60x = 2,642,644.20 × 499,890.80 - Step 4: Simplify right side
1,761,935.60x = 1,321,033,523,253.36 - Step 5: Solve for x
x = 1,321,033,523,253.36/1,761,935.60 - Step 6: Final answer
x = 749,762.66
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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.