Finding the Fourth Proportional to 1,679,289.99, 2,519,292.80 and 542,116.81
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Solution
The fourth proportional to 1,679,289.99, 2,519,292.80 and 542,116.81 is: 813,290.73
Step by Step Solution
- Step 1: Write the proportion equation
1,679,289.99 : 2,519,292.80 = 542,116.81 : x - Step 2: Convert to fraction form
1,679,289.99/2,519,292.80 = 542,116.81/x - Step 3: Cross multiply
1,679,289.99x = 2,519,292.80 × 542,116.81 - Step 4: Simplify right side
1,679,289.99x = 1,365,750,973,481.38 - Step 5: Solve for x
x = 1,365,750,973,481.38/1,679,289.99 - Step 6: Final answer
x = 813,290.73
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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.