Finding the Fourth Proportional to 1,698,221.41, 2,343,560.79 and 923,869.20
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Solution
The fourth proportional to 1,698,221.41, 2,343,560.79 and 923,869.20 is: 1,274,947.79
Step by Step Solution
- Step 1: Write the proportion equation
1,698,221.41 : 2,343,560.79 = 923,869.20 : x - Step 2: Convert to fraction form
1,698,221.41/2,343,560.79 = 923,869.20/x - Step 3: Cross multiply
1,698,221.41x = 2,343,560.79 × 923,869.20 - Step 4: Simplify right side
1,698,221.41x = 2,165,143,632,208.67 - Step 5: Solve for x
x = 2,165,143,632,208.67/1,698,221.41 - Step 6: Final answer
x = 1,274,947.79
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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.