Finding the Fourth Proportional to 1,801,313.96, 2,485,406.58 and 1,076,020.08
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Solution
The fourth proportional to 1,801,313.96, 2,485,406.58 and 1,076,020.08 is: 1,484,664.78
Step by Step Solution
- Step 1: Write the proportion equation
1,801,313.96 : 2,485,406.58 = 1,076,020.08 : x - Step 2: Convert to fraction form
1,801,313.96/2,485,406.58 = 1,076,020.08/x - Step 3: Cross multiply
1,801,313.96x = 2,485,406.58 × 1,076,020.08 - Step 4: Simplify right side
1,801,313.96x = 2,674,347,387,044.13 - Step 5: Solve for x
x = 2,674,347,387,044.13/1,801,313.96 - Step 6: Final answer
x = 1,484,664.78
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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.