Finding the Fourth Proportional to 5,167,750.20, 7,753,277.70 and 1,574,201.40
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Solution
The fourth proportional to 5,167,750.20, 7,753,277.70 and 1,574,201.40 is: 2,361,805.45
Step by Step Solution
- Step 1: Write the proportion equation
5,167,750.20 : 7,753,277.70 = 1,574,201.40 : x - Step 2: Convert to fraction form
5,167,750.20/7,753,277.70 = 1,574,201.40/x - Step 3: Cross multiply
5,167,750.20x = 7,753,277.70 × 1,574,201.40 - Step 4: Simplify right side
5,167,750.20x = 12,205,220,609,928.78 - Step 5: Solve for x
x = 12,205,220,609,928.78/5,167,750.20 - Step 6: Final answer
x = 2,361,805.45
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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.