Finding the Fourth Proportional to 4,085,122.41, 6,128,495.55 and 1,388,723.67
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Solution
The fourth proportional to 4,085,122.41, 6,128,495.55 and 1,388,723.67 is: 2,083,361.52
Step by Step Solution
- Step 1: Write the proportion equation
4,085,122.41 : 6,128,495.55 = 1,388,723.67 : x - Step 2: Convert to fraction form
4,085,122.41/6,128,495.55 = 1,388,723.67/x - Step 3: Cross multiply
4,085,122.41x = 6,128,495.55 × 1,388,723.67 - Step 4: Simplify right side
4,085,122.41x = 8,510,786,831,774.67 - Step 5: Solve for x
x = 8,510,786,831,774.67/4,085,122.41 - Step 6: Final answer
x = 2,083,361.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.