Finding the Fourth Proportional to 2,340,638.88, 3,509,961.36 and 919,698.18
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Solution
The fourth proportional to 2,340,638.88, 3,509,961.36 and 919,698.18 is: 1,379,155.54
Step by Step Solution
- Step 1: Write the proportion equation
2,340,638.88 : 3,509,961.36 = 919,698.18 : x - Step 2: Convert to fraction form
2,340,638.88/3,509,961.36 = 919,698.18/x - Step 3: Cross multiply
2,340,638.88x = 3,509,961.36 × 919,698.18 - Step 4: Simplify right side
2,340,638.88x = 3,228,105,074,662.33 - Step 5: Solve for x
x = 3,228,105,074,662.33/2,340,638.88 - Step 6: Final answer
x = 1,379,155.54
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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.