Finding the Fourth Proportional to 1,679,289.49, 2,519,292.05 and 542,116.31
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Solution
The fourth proportional to 1,679,289.49, 2,519,292.05 and 542,116.31 is: 813,289.98
Step by Step Solution
- Step 1: Write the proportion equation
1,679,289.49 : 2,519,292.05 = 542,116.31 : x - Step 2: Convert to fraction form
1,679,289.49/2,519,292.05 = 542,116.31/x - Step 3: Cross multiply
1,679,289.49x = 2,519,292.05 × 542,116.31 - Step 4: Simplify right side
1,679,289.49x = 1,365,749,307,247.75 - Step 5: Solve for x
x = 1,365,749,307,247.75/1,679,289.49 - Step 6: Final answer
x = 813,289.98
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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.