Finding the Fourth Proportional to 2,340,644.88, 3,509,970.36 and 919,704.18
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Solution
The fourth proportional to 2,340,644.88, 3,509,970.36 and 919,704.18 is: 1,379,164.54
Step by Step Solution
- Step 1: Write the proportion equation
2,340,644.88 : 3,509,970.36 = 919,704.18 : x - Step 2: Convert to fraction form
2,340,644.88/3,509,970.36 = 919,704.18/x - Step 3: Cross multiply
2,340,644.88x = 3,509,970.36 × 919,704.18 - Step 4: Simplify right side
2,340,644.88x = 3,228,134,411,768.11 - Step 5: Solve for x
x = 3,228,134,411,768.11/2,340,644.88 - Step 6: Final answer
x = 1,379,164.54
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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.