Finding the Fourth Proportional to 2,361,075.40, 3,258,212.34 and 1,328,640.76
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Solution
The fourth proportional to 2,361,075.40, 3,258,212.34 and 1,328,640.76 is: 1,833,483.89
Step by Step Solution
- Step 1: Write the proportion equation
2,361,075.40 : 3,258,212.34 = 1,328,640.76 : x - Step 2: Convert to fraction form
2,361,075.40/3,258,212.34 = 1,328,640.76/x - Step 3: Cross multiply
2,361,075.40x = 3,258,212.34 × 1,328,640.76 - Step 4: Simplify right side
2,361,075.40x = 4,328,993,719,658.98 - Step 5: Solve for x
x = 4,328,993,719,658.98/2,361,075.40 - Step 6: Final answer
x = 1,833,483.89
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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.