Finding the Fourth Proportional to 1,332,041.49, 1,836,990.36 and 872,988.84
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Solution
The fourth proportional to 1,332,041.49, 1,836,990.36 and 872,988.84 is: 1,203,920.52
Step by Step Solution
- Step 1: Write the proportion equation
1,332,041.49 : 1,836,990.36 = 872,988.84 : x - Step 2: Convert to fraction form
1,332,041.49/1,836,990.36 = 872,988.84/x - Step 3: Cross multiply
1,332,041.49x = 1,836,990.36 × 872,988.84 - Step 4: Simplify right side
1,332,041.49x = 1,603,672,083,467.58 - Step 5: Solve for x
x = 1,603,672,083,467.58/1,332,041.49 - Step 6: Final answer
x = 1,203,920.52
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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.