Finding the Fourth Proportional to 3,631,909.80, 5,447,850.12 and 1,107,557.76
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Solution
The fourth proportional to 3,631,909.80, 5,447,850.12 and 1,107,557.76 is: 1,661,332.19
Step by Step Solution
- Step 1: Write the proportion equation
3,631,909.80 : 5,447,850.12 = 1,107,557.76 : x - Step 2: Convert to fraction form
3,631,909.80/5,447,850.12 = 1,107,557.76/x - Step 3: Cross multiply
3,631,909.80x = 5,447,850.12 × 1,107,557.76 - Step 4: Simplify right side
3,631,909.80x = 6,033,808,675,722.93 - Step 5: Solve for x
x = 6,033,808,675,722.93/3,631,909.80 - Step 6: Final answer
x = 1,661,332.19
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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.