Finding the Fourth Proportional to 5,643,709.36, 7,788,341.19 and 3,065,433.10
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Solution
The fourth proportional to 5,643,709.36, 7,788,341.19 and 3,065,433.10 is: 4,230,309.78
Step by Step Solution
- Step 1: Write the proportion equation
5,643,709.36 : 7,788,341.19 = 3,065,433.10 : x - Step 2: Convert to fraction form
5,643,709.36/7,788,341.19 = 3,065,433.10/x - Step 3: Cross multiply
5,643,709.36x = 7,788,341.19 × 3,065,433.10 - Step 4: Simplify right side
5,643,709.36x = 23,874,638,877,919.39 - Step 5: Solve for x
x = 23,874,638,877,919.39/5,643,709.36 - Step 6: Final answer
x = 4,230,309.78
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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.