Finding the Fourth Proportional to 3,910,134.36, 5,866,119.54 and 1,214,320.44
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Solution
The fourth proportional to 3,910,134.36, 5,866,119.54 and 1,214,320.44 is: 1,821,765.75
Step by Step Solution
- Step 1: Write the proportion equation
3,910,134.36 : 5,866,119.54 = 1,214,320.44 : x - Step 2: Convert to fraction form
3,910,134.36/5,866,119.54 = 1,214,320.44/x - Step 3: Cross multiply
3,910,134.36x = 5,866,119.54 × 1,214,320.44 - Step 4: Simplify right side
3,910,134.36x = 7,123,348,860,905.40 - Step 5: Solve for x
x = 7,123,348,860,905.40/3,910,134.36 - Step 6: Final answer
x = 1,821,765.75
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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.