Finding the Fourth Proportional to 2,768,946.84, 3,821,338.45 and 1,545,491.05
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Solution
The fourth proportional to 2,768,946.84, 3,821,338.45 and 1,545,491.05 is: 2,132,884.71
Step by Step Solution
- Step 1: Write the proportion equation
2,768,946.84 : 3,821,338.45 = 1,545,491.05 : x - Step 2: Convert to fraction form
2,768,946.84/3,821,338.45 = 1,545,491.05/x - Step 3: Cross multiply
2,768,946.84x = 3,821,338.45 × 1,545,491.05 - Step 4: Simplify right side
2,768,946.84x = 5,905,844,365,874.39 - Step 5: Solve for x
x = 5,905,844,365,874.39/2,768,946.84 - Step 6: Final answer
x = 2,132,884.71
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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.