Finding the Fourth Proportional to 1,948,091.63, 2,688,276.34 and 1,088,644.37
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Solution
The fourth proportional to 1,948,091.63, 2,688,276.34 and 1,088,644.37 is: 1,502,278.88
Step by Step Solution
- Step 1: Write the proportion equation
1,948,091.63 : 2,688,276.34 = 1,088,644.37 : x - Step 2: Convert to fraction form
1,948,091.63/2,688,276.34 = 1,088,644.37/x - Step 3: Cross multiply
1,948,091.63x = 2,688,276.34 × 1,088,644.37 - Step 4: Simplify right side
1,948,091.63x = 2,926,576,902,545.21 - Step 5: Solve for x
x = 2,926,576,902,545.21/1,948,091.63 - Step 6: Final answer
x = 1,502,278.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.