Finding the Fourth Proportional to 1,419,327.66, 2,128,203.81 and 472,181.34
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Solution
The fourth proportional to 1,419,327.66, 2,128,203.81 and 472,181.34 is: 708,009.96
Step by Step Solution
- Step 1: Write the proportion equation
1,419,327.66 : 2,128,203.81 = 472,181.34 : x - Step 2: Convert to fraction form
1,419,327.66/2,128,203.81 = 472,181.34/x - Step 3: Cross multiply
1,419,327.66x = 2,128,203.81 × 472,181.34 - Step 4: Simplify right side
1,419,327.66x = 1,004,898,126,798.91 - Step 5: Solve for x
x = 1,004,898,126,798.91/1,419,327.66 - Step 6: Final answer
x = 708,009.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.