Finding the Fourth Proportional to 2,357,414.16, 3,254,028.03 and 1,531,617.54
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Solution
The fourth proportional to 2,357,414.16, 3,254,028.03 and 1,531,617.54 is: 2,114,149.69
Step by Step Solution
- Step 1: Write the proportion equation
2,357,414.16 : 3,254,028.03 = 1,531,617.54 : x - Step 2: Convert to fraction form
2,357,414.16/3,254,028.03 = 1,531,617.54/x - Step 3: Cross multiply
2,357,414.16x = 3,254,028.03 × 1,531,617.54 - Step 4: Simplify right side
2,357,414.16x = 4,983,926,406,399.65 - Step 5: Solve for x
x = 4,983,926,406,399.65/2,357,414.16 - Step 6: Final answer
x = 2,114,149.69
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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.