Finding the Fourth Proportional to 2,327,867.09, 3,212,425.65 and 1,309,271.84
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Solution
The fourth proportional to 2,327,867.09, 3,212,425.65 and 1,309,271.84 is: 1,806,777.74
Step by Step Solution
- Step 1: Write the proportion equation
2,327,867.09 : 3,212,425.65 = 1,309,271.84 : x - Step 2: Convert to fraction form
2,327,867.09/3,212,425.65 = 1,309,271.84/x - Step 3: Cross multiply
2,327,867.09x = 3,212,425.65 × 1,309,271.84 - Step 4: Simplify right side
2,327,867.09x = 4,205,938,436,728.93 - Step 5: Solve for x
x = 4,205,938,436,728.93/2,327,867.09 - Step 6: Final answer
x = 1,806,777.74
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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.