Finding the Fourth Proportional to 2,195,810.12, 3,293,122.62 and 775,679.24
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Solution
The fourth proportional to 2,195,810.12, 3,293,122.62 and 775,679.24 is: 1,163,309.54
Step by Step Solution
- Step 1: Write the proportion equation
2,195,810.12 : 3,293,122.62 = 775,679.24 : x - Step 2: Convert to fraction form
2,195,810.12/3,293,122.62 = 775,679.24/x - Step 3: Cross multiply
2,195,810.12x = 3,293,122.62 × 775,679.24 - Step 4: Simplify right side
2,195,810.12x = 2,554,406,851,108.41 - Step 5: Solve for x
x = 2,554,406,851,108.41/2,195,810.12 - Step 6: Final answer
x = 1,163,309.54
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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.