Finding the Fourth Proportional to 4,338,692.36, 5,987,265.71 and 2,378,503.40
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Solution
The fourth proportional to 4,338,692.36, 5,987,265.71 and 2,378,503.40 is: 3,282,263.56
Step by Step Solution
- Step 1: Write the proportion equation
4,338,692.36 : 5,987,265.71 = 2,378,503.40 : x - Step 2: Convert to fraction form
4,338,692.36/5,987,265.71 = 2,378,503.40/x - Step 3: Cross multiply
4,338,692.36x = 5,987,265.71 × 2,378,503.40 - Step 4: Simplify right side
4,338,692.36x = 14,240,731,806,109.57 - Step 5: Solve for x
x = 14,240,731,806,109.57/4,338,692.36 - Step 6: Final answer
x = 3,282,263.56
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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.