Finding the Fourth Proportional to 1,525,220.94, 2,104,991.55 and 880,640.05
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Solution
The fourth proportional to 1,525,220.94, 2,104,991.55 and 880,640.05 is: 1,215,391.04
Step by Step Solution
- Step 1: Write the proportion equation
1,525,220.94 : 2,104,991.55 = 880,640.05 : x - Step 2: Convert to fraction form
1,525,220.94/2,104,991.55 = 880,640.05/x - Step 3: Cross multiply
1,525,220.94x = 2,104,991.55 × 880,640.05 - Step 4: Simplify right side
1,525,220.94x = 1,853,739,863,841.58 - Step 5: Solve for x
x = 1,853,739,863,841.58/1,525,220.94 - Step 6: Final answer
x = 1,215,391.04
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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.