Finding the Fourth Proportional to 1,999,060.31, 2,758,703.23 and 1,081,289.41
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Solution
The fourth proportional to 1,999,060.31, 2,758,703.23 and 1,081,289.41 is: 1,492,179.38
Step by Step Solution
- Step 1: Write the proportion equation
1,999,060.31 : 2,758,703.23 = 1,081,289.41 : x - Step 2: Convert to fraction form
1,999,060.31/2,758,703.23 = 1,081,289.41/x - Step 3: Cross multiply
1,999,060.31x = 2,758,703.23 × 1,081,289.41 - Step 4: Simplify right side
1,999,060.31x = 2,982,956,582,386.65 - Step 5: Solve for x
x = 2,982,956,582,386.65/1,999,060.31 - Step 6: Final answer
x = 1,492,179.38
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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.