Finding the Fourth Proportional to 1,907,586.24, 2,631,817.74 and 1,182,169.29
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Solution
The fourth proportional to 1,907,586.24, 2,631,817.74 and 1,182,169.29 is: 1,630,990.01
Step by Step Solution
- Step 1: Write the proportion equation
1,907,586.24 : 2,631,817.74 = 1,182,169.29 : x - Step 2: Convert to fraction form
1,907,586.24/2,631,817.74 = 1,182,169.29/x - Step 3: Cross multiply
1,907,586.24x = 2,631,817.74 × 1,182,169.29 - Step 4: Simplify right side
1,907,586.24x = 3,111,254,109,105.21 - Step 5: Solve for x
x = 3,111,254,109,105.21/1,907,586.24 - Step 6: Final answer
x = 1,630,990.01
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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.