Finding the Fourth Proportional to 4,421,901.69, 6,632,934.48 and 1,389,210.66
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Solution
The fourth proportional to 4,421,901.69, 6,632,934.48 and 1,389,210.66 is: 2,083,841.73
Step by Step Solution
- Step 1: Write the proportion equation
4,421,901.69 : 6,632,934.48 = 1,389,210.66 : x - Step 2: Convert to fraction form
4,421,901.69/6,632,934.48 = 1,389,210.66/x - Step 3: Cross multiply
4,421,901.69x = 6,632,934.48 × 1,389,210.66 - Step 4: Simplify right side
4,421,901.69x = 9,214,543,286,697.56 - Step 5: Solve for x
x = 9,214,543,286,697.56/4,421,901.69 - Step 6: Final answer
x = 2,083,841.73
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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.