Finding the Fourth Proportional to 1,943,379.04, 2,681,867.76 and 1,083,994.96
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Solution
The fourth proportional to 1,943,379.04, 2,681,867.76 and 1,083,994.96 is: 1,495,915.66
Step by Step Solution
- Step 1: Write the proportion equation
1,943,379.04 : 2,681,867.76 = 1,083,994.96 : x - Step 2: Convert to fraction form
1,943,379.04/2,681,867.76 = 1,083,994.96/x - Step 3: Cross multiply
1,943,379.04x = 2,681,867.76 × 1,083,994.96 - Step 4: Simplify right side
1,943,379.04x = 2,907,131,135,226.49 - Step 5: Solve for x
x = 2,907,131,135,226.49/1,943,379.04 - Step 6: Final answer
x = 1,495,915.66
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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.