Finding the Fourth Proportional to 2,765,201.80, 4,147,802.70 and 770,657.80
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Solution
The fourth proportional to 2,765,201.80, 4,147,802.70 and 770,657.80 is: 1,155,986.70
Step by Step Solution
- Step 1: Write the proportion equation
2,765,201.80 : 4,147,802.70 = 770,657.80 : x - Step 2: Convert to fraction form
2,765,201.80/4,147,802.70 = 770,657.80/x - Step 3: Cross multiply
2,765,201.80x = 4,147,802.70 × 770,657.80 - Step 4: Simplify right side
2,765,201.80x = 3,196,536,503,616.06 - Step 5: Solve for x
x = 3,196,536,503,616.06/2,765,201.80 - Step 6: Final answer
x = 1,155,986.70
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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.