Finding the Fourth Proportional to 2,767,259.20, 3,818,912.66 and 1,605,617.75
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Solution
The fourth proportional to 2,767,259.20, 3,818,912.66 and 1,605,617.75 is: 2,215,807.59
Step by Step Solution
- Step 1: Write the proportion equation
2,767,259.20 : 3,818,912.66 = 1,605,617.75 : x - Step 2: Convert to fraction form
2,767,259.20/3,818,912.66 = 1,605,617.75/x - Step 3: Cross multiply
2,767,259.20x = 3,818,912.66 × 1,605,617.75 - Step 4: Simplify right side
2,767,259.20x = 6,131,713,937,515.20 - Step 5: Solve for x
x = 6,131,713,937,515.20/2,767,259.20 - Step 6: Final answer
x = 2,215,807.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.