Finding the Fourth Proportional to 1,857,720, 2,786,462.12 and 659,484.56
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Solution
The fourth proportional to 1,857,720, 2,786,462.12 and 659,484.56 is: 989,184.99
Step by Step Solution
- Step 1: Write the proportion equation
1,857,720 : 2,786,462.12 = 659,484.56 : x - Step 2: Convert to fraction form
1,857,720/2,786,462.12 = 659,484.56/x - Step 3: Cross multiply
1,857,720x = 2,786,462.12 × 659,484.56 - Step 4: Simplify right side
1,857,720x = 1,837,628,745,164.87 - Step 5: Solve for x
x = 1,837,628,745,164.87/1,857,720 - Step 6: Final answer
x = 989,184.99
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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.