Finding the Fourth Proportional to 6,663,795.49, 9,995,693.61 and 1,615,105.99
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Solution
The fourth proportional to 6,663,795.49, 9,995,693.61 and 1,615,105.99 is: 2,422,659.08
Step by Step Solution
- Step 1: Write the proportion equation
6,663,795.49 : 9,995,693.61 = 1,615,105.99 : x - Step 2: Convert to fraction form
6,663,795.49/9,995,693.61 = 1,615,105.99/x - Step 3: Cross multiply
6,663,795.49x = 9,995,693.61 × 1,615,105.99 - Step 4: Simplify right side
6,663,795.49x = 16,144,104,623,715.72 - Step 5: Solve for x
x = 16,144,104,623,715.72/6,663,795.49 - Step 6: Final answer
x = 2,422,659.08
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1.5x scale
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.