Finding the Fourth Proportional to 4,550,873.81, 6,280,227.25 and 2,485,918.02
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Solution
The fourth proportional to 4,550,873.81, 6,280,227.25 and 2,485,918.02 is: 3,430,578.56
Step by Step Solution
- Step 1: Write the proportion equation
4,550,873.81 : 6,280,227.25 = 2,485,918.02 : x - Step 2: Convert to fraction form
4,550,873.81/6,280,227.25 = 2,485,918.02/x - Step 3: Cross multiply
4,550,873.81x = 6,280,227.25 × 2,485,918.02 - Step 4: Simplify right side
4,550,873.81x = 15,612,130,121,789.39 - Step 5: Solve for x
x = 15,612,130,121,789.39/4,550,873.81 - Step 6: Final answer
x = 3,430,578.56
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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.