Finding the Fourth Proportional to 3,862,920.90, 5,794,352.55 and 1,167,240.90
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Solution
The fourth proportional to 3,862,920.90, 5,794,352.55 and 1,167,240.90 is: 1,750,852.65
Step by Step Solution
- Step 1: Write the proportion equation
3,862,920.90 : 5,794,352.55 = 1,167,240.90 : x - Step 2: Convert to fraction form
3,862,920.90/5,794,352.55 = 1,167,240.90/x - Step 3: Cross multiply
3,862,920.90x = 5,794,352.55 × 1,167,240.90 - Step 4: Simplify right side
3,862,920.90x = 6,763,405,285,379.29 - Step 5: Solve for x
x = 6,763,405,285,379.29/3,862,920.90 - Step 6: Final answer
x = 1,750,852.65
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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.