Finding the Fourth Proportional to 3,478,266.99, 5,217,758.37 and 1,203,787.40
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Solution
The fourth proportional to 3,478,266.99, 5,217,758.37 and 1,203,787.40 is: 1,805,804.95
Step by Step Solution
- Step 1: Write the proportion equation
3,478,266.99 : 5,217,758.37 = 1,203,787.40 : x - Step 2: Convert to fraction form
3,478,266.99/5,217,758.37 = 1,203,787.40/x - Step 3: Cross multiply
3,478,266.99x = 5,217,758.37 × 1,203,787.40 - Step 4: Simplify right side
3,478,266.99x = 6,281,071,755,961.75 - Step 5: Solve for x
x = 6,281,071,755,961.75/3,478,266.99 - Step 6: Final answer
x = 1,805,804.95
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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.