Finding the Fourth Proportional to 1,943,378.04, 2,681,866.38 and 1,083,993.96
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Solution
The fourth proportional to 1,943,378.04, 2,681,866.38 and 1,083,993.96 is: 1,495,914.28
Step by Step Solution
- Step 1: Write the proportion equation
1,943,378.04 : 2,681,866.38 = 1,083,993.96 : x - Step 2: Convert to fraction form
1,943,378.04/2,681,866.38 = 1,083,993.96/x - Step 3: Cross multiply
1,943,378.04x = 2,681,866.38 × 1,083,993.96 - Step 4: Simplify right side
1,943,378.04x = 2,907,126,957,447.06 - Step 5: Solve for x
x = 2,907,126,957,447.06/1,943,378.04 - Step 6: Final answer
x = 1,495,914.28
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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.