Finding the Fourth Proportional to 2,034,027.51, 2,806,772.43 and 1,206,958.53
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Solution
The fourth proportional to 2,034,027.51, 2,806,772.43 and 1,206,958.53 is: 1,665,492.68
Step by Step Solution
- Step 1: Write the proportion equation
2,034,027.51 : 2,806,772.43 = 1,206,958.53 : x - Step 2: Convert to fraction form
2,034,027.51/2,806,772.43 = 1,206,958.53/x - Step 3: Cross multiply
2,034,027.51x = 2,806,772.43 × 1,206,958.53 - Step 4: Simplify right side
2,034,027.51x = 3,387,657,926,157.33 - Step 5: Solve for x
x = 3,387,657,926,157.33/2,034,027.51 - Step 6: Final answer
x = 1,665,492.68
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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.