Finding the Fourth Proportional to 4,078,166.40, 6,117,249.60 and 1,418,774.40
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Solution
The fourth proportional to 4,078,166.40, 6,117,249.60 and 1,418,774.40 is: 2,128,161.60
Step by Step Solution
- Step 1: Write the proportion equation
4,078,166.40 : 6,117,249.60 = 1,418,774.40 : x - Step 2: Convert to fraction form
4,078,166.40/6,117,249.60 = 1,418,774.40/x - Step 3: Cross multiply
4,078,166.40x = 6,117,249.60 × 1,418,774.40 - Step 4: Simplify right side
4,078,166.40x = 8,678,997,130,890.24 - Step 5: Solve for x
x = 8,678,997,130,890.24/4,078,166.40 - Step 6: Final answer
x = 2,128,161.60
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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.