Finding the Fourth Proportional to 1,507,624.56, 2,080,542.15 and 819,310.05
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Solution
The fourth proportional to 1,507,624.56, 2,080,542.15 and 819,310.05 is: 1,130,658.88
Step by Step Solution
- Step 1: Write the proportion equation
1,507,624.56 : 2,080,542.15 = 819,310.05 : x - Step 2: Convert to fraction form
1,507,624.56/2,080,542.15 = 819,310.05/x - Step 3: Cross multiply
1,507,624.56x = 2,080,542.15 × 819,310.05 - Step 4: Simplify right side
1,507,624.56x = 1,704,609,092,943.61 - Step 5: Solve for x
x = 1,704,609,092,943.61/1,507,624.56 - Step 6: Final answer
x = 1,130,658.88
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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.