Finding the Fourth Proportional to 1,947,176.76, 2,687,091.12 and 1,087,729.44
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Solution
The fourth proportional to 1,947,176.76, 2,687,091.12 and 1,087,729.44 is: 1,501,059.47
Step by Step Solution
- Step 1: Write the proportion equation
1,947,176.76 : 2,687,091.12 = 1,087,729.44 : x - Step 2: Convert to fraction form
1,947,176.76/2,687,091.12 = 1,087,729.44/x - Step 3: Cross multiply
1,947,176.76x = 2,687,091.12 × 1,087,729.44 - Step 4: Simplify right side
1,947,176.76x = 2,922,828,119,186.57 - Step 5: Solve for x
x = 2,922,828,119,186.57/1,947,176.76 - Step 6: Final answer
x = 1,501,059.47
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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.