Finding the Fourth Proportional to 1,766,137.42, 2,649,601.14 and 644,206.42
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Solution
The fourth proportional to 1,766,137.42, 2,649,601.14 and 644,206.42 is: 966,453.71
Step by Step Solution
- Step 1: Write the proportion equation
1,766,137.42 : 2,649,601.14 = 644,206.42 : x - Step 2: Convert to fraction form
1,766,137.42/2,649,601.14 = 644,206.42/x - Step 3: Cross multiply
1,766,137.42x = 2,649,601.14 × 644,206.42 - Step 4: Simplify right side
1,766,137.42x = 1,706,890,064,827.32 - Step 5: Solve for x
x = 1,706,890,064,827.32/1,766,137.42 - Step 6: Final answer
x = 966,453.71
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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.