Finding the Fourth Proportional to 3,778,936.84, 5,204,981.11 and 3,132,284.68
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Solution
The fourth proportional to 3,778,936.84, 5,204,981.11 and 3,132,284.68 is: 4,314,304.07
Step by Step Solution
- Step 1: Write the proportion equation
3,778,936.84 : 5,204,981.11 = 3,132,284.68 : x - Step 2: Convert to fraction form
3,778,936.84/5,204,981.11 = 3,132,284.68/x - Step 3: Cross multiply
3,778,936.84x = 5,204,981.11 × 3,132,284.68 - Step 4: Simplify right side
3,778,936.84x = 16,303,482,548,856.07 - Step 5: Solve for x
x = 16,303,482,548,856.07/3,778,936.84 - Step 6: Final answer
x = 4,314,304.07
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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.