Finding the Fourth Proportional to 5,155,383.84, 7,114,542.42 and 2,832,306.30
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Solution
The fourth proportional to 5,155,383.84, 7,114,542.42 and 2,832,306.30 is: 3,908,644.62
Step by Step Solution
- Step 1: Write the proportion equation
5,155,383.84 : 7,114,542.42 = 2,832,306.30 : x - Step 2: Convert to fraction form
5,155,383.84/7,114,542.42 = 2,832,306.30/x - Step 3: Cross multiply
5,155,383.84x = 7,114,542.42 × 2,832,306.30 - Step 4: Simplify right side
5,155,383.84x = 20,150,563,317,783.25 - Step 5: Solve for x
x = 20,150,563,317,783.25/5,155,383.84 - Step 6: Final answer
x = 3,908,644.62
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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.