Finding the Fourth Proportional to 3,730,618.21, 5,148,243.19 and 2,099,027.52
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Solution
The fourth proportional to 3,730,618.21, 5,148,243.19 and 2,099,027.52 is: 2,896,652.38
Step by Step Solution
- Step 1: Write the proportion equation
3,730,618.21 : 5,148,243.19 = 2,099,027.52 : x - Step 2: Convert to fraction form
3,730,618.21/5,148,243.19 = 2,099,027.52/x - Step 3: Cross multiply
3,730,618.21x = 5,148,243.19 × 2,099,027.52 - Step 4: Simplify right side
3,730,618.21x = 10,806,304,109,721.38 - Step 5: Solve for x
x = 10,806,304,109,721.38/3,730,618.21 - Step 6: Final answer
x = 2,896,652.38
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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.