Finding the Fourth Proportional to 3,818,329.65, 5,269,293.95 and 2,099,561.49
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Solution
The fourth proportional to 3,818,329.65, 5,269,293.95 and 2,099,561.49 is: 2,897,394.32
Step by Step Solution
- Step 1: Write the proportion equation
3,818,329.65 : 5,269,293.95 = 2,099,561.49 : x - Step 2: Convert to fraction form
3,818,329.65/5,269,293.95 = 2,099,561.49/x - Step 3: Cross multiply
3,818,329.65x = 5,269,293.95 × 2,099,561.49 - Step 4: Simplify right side
3,818,329.65x = 11,063,206,646,412.18 - Step 5: Solve for x
x = 11,063,206,646,412.18/3,818,329.65 - Step 6: Final answer
x = 2,897,394.32
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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.