Finding the Fourth Proportional to 5,625,639.11, 7,763,419.24 and 3,047,319.87
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Solution
The fourth proportional to 5,625,639.11, 7,763,419.24 and 3,047,319.87 is: 4,205,321.60
Step by Step Solution
- Step 1: Write the proportion equation
5,625,639.11 : 7,763,419.24 = 3,047,319.87 : x - Step 2: Convert to fraction form
5,625,639.11/7,763,419.24 = 3,047,319.87/x - Step 3: Cross multiply
5,625,639.11x = 7,763,419.24 × 3,047,319.87 - Step 4: Simplify right side
5,625,639.11x = 23,657,621,672,461.18 - Step 5: Solve for x
x = 23,657,621,672,461.18/5,625,639.11 - Step 6: Final answer
x = 4,205,321.60
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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.