Finding the Fourth Proportional to 5,136,564.07, 7,704,659.24 and 1,542,237.60
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Solution
The fourth proportional to 5,136,564.07, 7,704,659.24 and 1,542,237.60 is: 2,313,300.30
Step by Step Solution
- Step 1: Write the proportion equation
5,136,564.07 : 7,704,659.24 = 1,542,237.60 : x - Step 2: Convert to fraction form
5,136,564.07/7,704,659.24 = 1,542,237.60/x - Step 3: Cross multiply
5,136,564.07x = 7,704,659.24 × 1,542,237.60 - Step 4: Simplify right side
5,136,564.07x = 11,882,415,193,419.40 - Step 5: Solve for x
x = 11,882,415,193,419.40/5,136,564.07 - Step 6: Final answer
x = 2,313,300.30
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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.