Finding the Fourth Proportional to 6,260,869.36, 8,640,138.18 and 3,507,760.36
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Solution
The fourth proportional to 6,260,869.36, 8,640,138.18 and 3,507,760.36 is: 4,840,786.87
Step by Step Solution
- Step 1: Write the proportion equation
6,260,869.36 : 8,640,138.18 = 3,507,760.36 : x - Step 2: Convert to fraction form
6,260,869.36/8,640,138.18 = 3,507,760.36/x - Step 3: Cross multiply
6,260,869.36x = 8,640,138.18 × 3,507,760.36 - Step 4: Simplify right side
6,260,869.36x = 30,307,534,212,726.54 - Step 5: Solve for x
x = 30,307,534,212,726.54/6,260,869.36 - Step 6: Final answer
x = 4,840,786.87
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1.5x scale
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.