Finding the Fourth Proportional to 2,775,676.48, 3,831,490.56 and 1,809,041.92
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Solution
The fourth proportional to 2,775,676.48, 3,831,490.56 and 1,809,041.92 is: 2,497,166.76
Step by Step Solution
- Step 1: Write the proportion equation
2,775,676.48 : 3,831,490.56 = 1,809,041.92 : x - Step 2: Convert to fraction form
2,775,676.48/3,831,490.56 = 1,809,041.92/x - Step 3: Cross multiply
2,775,676.48x = 3,831,490.56 × 1,809,041.92 - Step 4: Simplify right side
2,775,676.48x = 6,931,327,039,124.28 - Step 5: Solve for x
x = 6,931,327,039,124.28/2,775,676.48 - Step 6: Final answer
x = 2,497,166.76
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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.