Finding the Fourth Proportional to 2,868,201.48, 3,958,403.96 and 2,141,788.06
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Solution
The fourth proportional to 2,868,201.48, 3,958,403.96 and 2,141,788.06 is: 2,955,881.03
Step by Step Solution
- Step 1: Write the proportion equation
2,868,201.48 : 3,958,403.96 = 2,141,788.06 : x - Step 2: Convert to fraction form
2,868,201.48/3,958,403.96 = 2,141,788.06/x - Step 3: Cross multiply
2,868,201.48x = 3,958,403.96 × 2,141,788.06 - Step 4: Simplify right side
2,868,201.48x = 8,478,062,338,184.72 - Step 5: Solve for x
x = 8,478,062,338,184.72/2,868,201.48 - Step 6: Final answer
x = 2,955,881.03
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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.