Finding the Fourth Proportional to 2,800,896.70, 4,200,360.90 and 1,285,305.70
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Solution
The fourth proportional to 2,800,896.70, 4,200,360.90 and 1,285,305.70 is: 1,927,506.93
Step by Step Solution
- Step 1: Write the proportion equation
2,800,896.70 : 4,200,360.90 = 1,285,305.70 : x - Step 2: Convert to fraction form
2,800,896.70/4,200,360.90 = 1,285,305.70/x - Step 3: Cross multiply
2,800,896.70x = 4,200,360.90 × 1,285,305.70 - Step 4: Simplify right side
2,800,896.70x = 5,398,747,806,827.13 - Step 5: Solve for x
x = 5,398,747,806,827.13/2,800,896.70 - Step 6: Final answer
x = 1,927,506.93
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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.