Finding the Fourth Proportional to 2,709,715.41, 3,739,489.74 and 1,486,071.90
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Solution
The fourth proportional to 2,709,715.41, 3,739,489.74 and 1,486,071.90 is: 2,050,824.45
Step by Step Solution
- Step 1: Write the proportion equation
2,709,715.41 : 3,739,489.74 = 1,486,071.90 : x - Step 2: Convert to fraction form
2,709,715.41/3,739,489.74 = 1,486,071.90/x - Step 3: Cross multiply
2,709,715.41x = 3,739,489.74 × 1,486,071.90 - Step 4: Simplify right side
2,709,715.41x = 5,557,150,622,952.31 - Step 5: Solve for x
x = 5,557,150,622,952.31/2,709,715.41 - Step 6: Final answer
x = 2,050,824.45
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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.