Finding the Fourth Proportional to 2,036,320.84, 2,809,958.88 and 1,176,936.76
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Solution
The fourth proportional to 2,036,320.84, 2,809,958.88 and 1,176,936.76 is: 1,624,078.01
Step by Step Solution
- Step 1: Write the proportion equation
2,036,320.84 : 2,809,958.88 = 1,176,936.76 : x - Step 2: Convert to fraction form
2,036,320.84/2,809,958.88 = 1,176,936.76/x - Step 3: Cross multiply
2,036,320.84x = 2,809,958.88 × 1,176,936.76 - Step 4: Simplify right side
2,036,320.84x = 3,307,143,899,960.43 - Step 5: Solve for x
x = 3,307,143,899,960.43/2,036,320.84 - Step 6: Final answer
x = 1,624,078.01
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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.