Finding the Fourth Proportional to 4,578,091.20, 6,868,230.30 and 1,383,248.70
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Solution
The fourth proportional to 4,578,091.20, 6,868,230.30 and 1,383,248.70 is: 2,075,203.45
Step by Step Solution
- Step 1: Write the proportion equation
4,578,091.20 : 6,868,230.30 = 1,383,248.70 : x - Step 2: Convert to fraction form
4,578,091.20/6,868,230.30 = 1,383,248.70/x - Step 3: Cross multiply
4,578,091.20x = 6,868,230.30 × 1,383,248.70 - Step 4: Simplify right side
4,578,091.20x = 9,500,470,633,775.61 - Step 5: Solve for x
x = 9,500,470,633,775.61/4,578,091.20 - Step 6: Final answer
x = 2,075,203.45
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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.