Finding the Fourth Proportional to 4,543,845.15, 6,809,515.87 and 1,947,041.31
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Solution
The fourth proportional to 4,543,845.15, 6,809,515.87 and 1,947,041.31 is: 2,917,883.04
Step by Step Solution
- Step 1: Write the proportion equation
4,543,845.15 : 6,809,515.87 = 1,947,041.31 : x - Step 2: Convert to fraction form
4,543,845.15/6,809,515.87 = 1,947,041.31/x - Step 3: Cross multiply
4,543,845.15x = 6,809,515.87 × 1,947,041.31 - Step 4: Simplify right side
4,543,845.15x = 13,258,408,699,990.59 - Step 5: Solve for x
x = 13,258,408,699,990.59/4,543,845.15 - Step 6: Final answer
x = 2,917,883.04
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.