Finding the Fourth Proportional to 1,762,134.66, 2,431,698.57 and 1,037,025.09
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Solution
The fourth proportional to 1,762,134.66, 2,431,698.57 and 1,037,025.09 is: 1,431,066.81
Step by Step Solution
- Step 1: Write the proportion equation
1,762,134.66 : 2,431,698.57 = 1,037,025.09 : x - Step 2: Convert to fraction form
1,762,134.66/2,431,698.57 = 1,037,025.09/x - Step 3: Cross multiply
1,762,134.66x = 2,431,698.57 × 1,037,025.09 - Step 4: Simplify right side
1,762,134.66x = 2,521,732,428,407.12 - Step 5: Solve for x
x = 2,521,732,428,407.12/1,762,134.66 - Step 6: Final answer
x = 1,431,066.81
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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.