Finding the Fourth Proportional to 4,786,739.69, 6,605,691.17 and 2,611,282.05
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Solution
The fourth proportional to 4,786,739.69, 6,605,691.17 and 2,611,282.05 is: 3,603,563.99
Step by Step Solution
- Step 1: Write the proportion equation
4,786,739.69 : 6,605,691.17 = 2,611,282.05 : x - Step 2: Convert to fraction form
4,786,739.69/6,605,691.17 = 2,611,282.05/x - Step 3: Cross multiply
4,786,739.69x = 6,605,691.17 × 2,611,282.05 - Step 4: Simplify right side
4,786,739.69x = 17,249,322,767,008.09 - Step 5: Solve for x
x = 17,249,322,767,008.09/4,786,739.69 - Step 6: Final answer
x = 3,603,563.99
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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.