Finding the Fourth Proportional to 5,164,237.91, 7,126,629.29 and 2,872,398.60
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Solution
The fourth proportional to 5,164,237.91, 7,126,629.29 and 2,872,398.60 is: 3,963,899.49
Step by Step Solution
- Step 1: Write the proportion equation
5,164,237.91 : 7,126,629.29 = 2,872,398.60 : x - Step 2: Convert to fraction form
5,164,237.91/7,126,629.29 = 2,872,398.60/x - Step 3: Cross multiply
5,164,237.91x = 7,126,629.29 × 2,872,398.60 - Step 4: Simplify right side
5,164,237.91x = 20,470,519,995,315.00 - Step 5: Solve for x
x = 20,470,519,995,315.00/5,164,237.91 - Step 6: Final answer
x = 3,963,899.49
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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.