Finding the Fourth Proportional to 3,725,679.18, 5,584,540.05 and 2,124,795.18
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Solution
The fourth proportional to 3,725,679.18, 5,584,540.05 and 2,124,795.18 is: 3,184,923.66
Step by Step Solution
- Step 1: Write the proportion equation
3,725,679.18 : 5,584,540.05 = 2,124,795.18 : x - Step 2: Convert to fraction form
3,725,679.18/5,584,540.05 = 2,124,795.18/x - Step 3: Cross multiply
3,725,679.18x = 5,584,540.05 × 2,124,795.18 - Step 4: Simplify right side
3,725,679.18x = 11,866,003,780,756.96 - Step 5: Solve for x
x = 11,866,003,780,756.96/3,725,679.18 - Step 6: Final answer
x = 3,184,923.66
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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.