Finding the Fourth Proportional to 6,831,239.40, 10,238,564.70 and 3,040,698.60
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Solution
The fourth proportional to 6,831,239.40, 10,238,564.70 and 3,040,698.60 is: 4,557,355.92
Step by Step Solution
- Step 1: Write the proportion equation
6,831,239.40 : 10,238,564.70 = 3,040,698.60 : x - Step 2: Convert to fraction form
6,831,239.40/10,238,564.70 = 3,040,698.60/x - Step 3: Cross multiply
6,831,239.40x = 10,238,564.70 × 3,040,698.60 - Step 4: Simplify right side
6,831,239.40x = 31,132,389,349,299.42 - Step 5: Solve for x
x = 31,132,389,349,299.42/6,831,239.40 - Step 6: Final answer
x = 4,557,355.92
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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.