Finding the Fourth Proportional to 3,126,365.91, 4,688,705.16 and 1,104,343.63
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Solution
The fourth proportional to 3,126,365.91, 4,688,705.16 and 1,104,343.63 is: 1,656,217.41
Step by Step Solution
- Step 1: Write the proportion equation
3,126,365.91 : 4,688,705.16 = 1,104,343.63 : x - Step 2: Convert to fraction form
3,126,365.91/4,688,705.16 = 1,104,343.63/x - Step 3: Cross multiply
3,126,365.91x = 4,688,705.16 × 1,104,343.63 - Step 4: Simplify right side
3,126,365.91x = 5,177,941,664,672.37 - Step 5: Solve for x
x = 5,177,941,664,672.37/3,126,365.91 - Step 6: Final answer
x = 1,656,217.41
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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.