Finding the Fourth Proportional to 2,136,430.80, 3,206,460.60 and 875,163.60
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Solution
The fourth proportional to 2,136,430.80, 3,206,460.60 and 875,163.60 is: 1,313,488.65
Step by Step Solution
- Step 1: Write the proportion equation
2,136,430.80 : 3,206,460.60 = 875,163.60 : x - Step 2: Convert to fraction form
2,136,430.80/3,206,460.60 = 875,163.60/x - Step 3: Cross multiply
2,136,430.80x = 3,206,460.60 × 875,163.60 - Step 4: Simplify right side
2,136,430.80x = 2,806,177,601,954.16 - Step 5: Solve for x
x = 2,806,177,601,954.16/2,136,430.80 - Step 6: Final answer
x = 1,313,488.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.