Finding the Fourth Proportional to 1,471,168.99, 2,206,712.60 and 391,690.81
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Solution
The fourth proportional to 1,471,168.99, 2,206,712.60 and 391,690.81 is: 587,525.33
Step by Step Solution
- Step 1: Write the proportion equation
1,471,168.99 : 2,206,712.60 = 391,690.81 : x - Step 2: Convert to fraction form
1,471,168.99/2,206,712.60 = 391,690.81/x - Step 3: Cross multiply
1,471,168.99x = 2,206,712.60 × 391,690.81 - Step 4: Simplify right side
1,471,168.99x = 864,349,045,731.21 - Step 5: Solve for x
x = 864,349,045,731.21/1,471,168.99 - Step 6: Final answer
x = 587,525.33
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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.