Finding the Fourth Proportional to 2,340,679.70, 3,511,894.35 and 921,724.94
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Solution
The fourth proportional to 2,340,679.70, 3,511,894.35 and 921,724.94 is: 1,382,931.89
Step by Step Solution
- Step 1: Write the proportion equation
2,340,679.70 : 3,511,894.35 = 921,724.94 : x - Step 2: Convert to fraction form
2,340,679.70/3,511,894.35 = 921,724.94/x - Step 3: Cross multiply
2,340,679.70x = 3,511,894.35 × 921,724.94 - Step 4: Simplify right side
2,340,679.70x = 3,237,000,609,040.09 - Step 5: Solve for x
x = 3,237,000,609,040.09/2,340,679.70 - Step 6: Final answer
x = 1,382,931.89
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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.