Finding the Fourth Proportional to 6,339,960.76, 8,749,145.76 and 3,623,765.08
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Solution
The fourth proportional to 6,339,960.76, 8,749,145.76 and 3,623,765.08 is: 5,000,795.76
Step by Step Solution
- Step 1: Write the proportion equation
6,339,960.76 : 8,749,145.76 = 3,623,765.08 : x - Step 2: Convert to fraction form
6,339,960.76/8,749,145.76 = 3,623,765.08/x - Step 3: Cross multiply
6,339,960.76x = 8,749,145.76 × 3,623,765.08 - Step 4: Simplify right side
6,339,960.76x = 31,704,848,884,918.06 - Step 5: Solve for x
x = 31,704,848,884,918.06/6,339,960.76 - Step 6: Final answer
x = 5,000,795.76
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1.5x scale
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.