Finding the Fourth Proportional to 2,765,091.80, 4,147,637.70 and 770,547.80
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Solution
The fourth proportional to 2,765,091.80, 4,147,637.70 and 770,547.80 is: 1,155,821.70
Step by Step Solution
- Step 1: Write the proportion equation
2,765,091.80 : 4,147,637.70 = 770,547.80 : x - Step 2: Convert to fraction form
2,765,091.80/4,147,637.70 = 770,547.80/x - Step 3: Cross multiply
2,765,091.80x = 4,147,637.70 × 770,547.80 - Step 4: Simplify right side
2,765,091.80x = 3,195,953,104,932.06 - Step 5: Solve for x
x = 3,195,953,104,932.06/2,765,091.80 - Step 6: Final answer
x = 1,155,821.70
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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.