Finding the Fourth Proportional to 1,318,380.84, 1,818,697.86 and 834,130.44
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Solution
The fourth proportional to 1,318,380.84, 1,818,697.86 and 834,130.44 is: 1,150,677.56
Step by Step Solution
- Step 1: Write the proportion equation
1,318,380.84 : 1,818,697.86 = 834,130.44 : x - Step 2: Convert to fraction form
1,318,380.84/1,818,697.86 = 834,130.44/x - Step 3: Cross multiply
1,318,380.84x = 1,818,697.86 × 834,130.44 - Step 4: Simplify right side
1,318,380.84x = 1,517,031,246,188.86 - Step 5: Solve for x
x = 1,517,031,246,188.86/1,318,380.84 - Step 6: Final answer
x = 1,150,677.56
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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.