Finding the Fourth Proportional to 1,885,636.80, 2,825,344.80 and 1,605,700.80
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Solution
The fourth proportional to 1,885,636.80, 2,825,344.80 and 1,605,700.80 is: 2,405,902.56
Step by Step Solution
- Step 1: Write the proportion equation
1,885,636.80 : 2,825,344.80 = 1,605,700.80 : x - Step 2: Convert to fraction form
1,885,636.80/2,825,344.80 = 1,605,700.80/x - Step 3: Cross multiply
1,885,636.80x = 2,825,344.80 × 1,605,700.80 - Step 4: Simplify right side
1,885,636.80x = 4,536,658,405,635.84 - Step 5: Solve for x
x = 4,536,658,405,635.84/1,885,636.80 - Step 6: Final answer
x = 2,405,902.56
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.