Finding the Fourth Proportional to 1,595,109.12, 2,201,189.76 and 879,717.12
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Solution
The fourth proportional to 1,595,109.12, 2,201,189.76 and 879,717.12 is: 1,213,976.08
Step by Step Solution
- Step 1: Write the proportion equation
1,595,109.12 : 2,201,189.76 = 879,717.12 : x - Step 2: Convert to fraction form
1,595,109.12/2,201,189.76 = 879,717.12/x - Step 3: Cross multiply
1,595,109.12x = 2,201,189.76 × 879,717.12 - Step 4: Simplify right side
1,595,109.12x = 1,936,424,316,240.69 - Step 5: Solve for x
x = 1,936,424,316,240.69/1,595,109.12 - Step 6: Final answer
x = 1,213,976.08
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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.