Finding the Fourth Proportional to 7,680,217.09, 10,599,021.39 and 4,417,034.02
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Solution
The fourth proportional to 7,680,217.09, 10,599,021.39 and 4,417,034.02 is: 6,095,692.02
Step by Step Solution
- Step 1: Write the proportion equation
7,680,217.09 : 10,599,021.39 = 4,417,034.02 : x - Step 2: Convert to fraction form
7,680,217.09/10,599,021.39 = 4,417,034.02/x - Step 3: Cross multiply
7,680,217.09x = 10,599,021.39 × 4,417,034.02 - Step 4: Simplify right side
7,680,217.09x = 46,816,238,058,337.69 - Step 5: Solve for x
x = 46,816,238,058,337.69/7,680,217.09 - Step 6: Final answer
x = 6,095,692.02
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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.