Finding the Fourth Proportional to 1,679,265.54, 2,519,049.58 and 542,054.70
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Solution
The fourth proportional to 1,679,265.54, 2,519,049.58 and 542,054.70 is: 813,130.88
Step by Step Solution
- Step 1: Write the proportion equation
1,679,265.54 : 2,519,049.58 = 542,054.70 : x - Step 2: Convert to fraction form
1,679,265.54/2,519,049.58 = 542,054.70/x - Step 3: Cross multiply
1,679,265.54x = 2,519,049.58 × 542,054.70 - Step 4: Simplify right side
1,679,265.54x = 1,365,462,664,372.03 - Step 5: Solve for x
x = 1,365,462,664,372.03/1,679,265.54 - Step 6: Final answer
x = 813,130.88
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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.