Finding the Fourth Proportional to 6,483,958.99, 8,947,891.20 and 3,543,835.30
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Solution
The fourth proportional to 6,483,958.99, 8,947,891.20 and 3,543,835.30 is: 4,890,507.90
Step by Step Solution
- Step 1: Write the proportion equation
6,483,958.99 : 8,947,891.20 = 3,543,835.30 : x - Step 2: Convert to fraction form
6,483,958.99/8,947,891.20 = 3,543,835.30/x - Step 3: Cross multiply
6,483,958.99x = 8,947,891.20 × 3,543,835.30 - Step 4: Simplify right side
6,483,958.99x = 31,709,852,695,119.36 - Step 5: Solve for x
x = 31,709,852,695,119.36/6,483,958.99 - Step 6: Final answer
x = 4,890,507.90
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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.