Finding the Fourth Proportional to 1,507,624.65, 2,080,542.27 and 819,310.14
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Solution
The fourth proportional to 1,507,624.65, 2,080,542.27 and 819,310.14 is: 1,130,659.00
Step by Step Solution
- Step 1: Write the proportion equation
1,507,624.65 : 2,080,542.27 = 819,310.14 : x - Step 2: Convert to fraction form
1,507,624.65/2,080,542.27 = 819,310.14/x - Step 3: Cross multiply
1,507,624.65x = 2,080,542.27 × 819,310.14 - Step 4: Simplify right side
1,507,624.65x = 1,704,609,378,509.62 - Step 5: Solve for x
x = 1,704,609,378,509.62/1,507,624.65 - Step 6: Final answer
x = 1,130,659.00
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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.