Finding the Fourth Proportional to 4,087,857.61, 6,132,736.14 and 1,392,206.23
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Solution
The fourth proportional to 4,087,857.61, 6,132,736.14 and 1,392,206.23 is: 2,088,632.79
Step by Step Solution
- Step 1: Write the proportion equation
4,087,857.61 : 6,132,736.14 = 1,392,206.23 : x - Step 2: Convert to fraction form
4,087,857.61/6,132,736.14 = 1,392,206.23/x - Step 3: Cross multiply
4,087,857.61x = 6,132,736.14 × 1,392,206.23 - Step 4: Simplify right side
4,087,857.61x = 8,538,033,461,054.15 - Step 5: Solve for x
x = 8,538,033,461,054.15/4,087,857.61 - Step 6: Final answer
x = 2,088,632.79
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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.