Finding the Fourth Proportional to 2,635,835.06, 3,949,239.12 and 1,438,597.45
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Solution
The fourth proportional to 2,635,835.06, 3,949,239.12 and 1,438,597.45 is: 2,155,432.79
Step by Step Solution
- Step 1: Write the proportion equation
2,635,835.06 : 3,949,239.12 = 1,438,597.45 : x - Step 2: Convert to fraction form
2,635,835.06/3,949,239.12 = 1,438,597.45/x - Step 3: Cross multiply
2,635,835.06x = 3,949,239.12 × 1,438,597.45 - Step 4: Simplify right side
2,635,835.06x = 5,681,365,327,472.24 - Step 5: Solve for x
x = 5,681,365,327,472.24/2,635,835.06 - Step 6: Final answer
x = 2,155,432.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.