Finding the Fourth Proportional to 1,782,871.40, 2,676,056.70 and 885,326.60
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Solution
The fourth proportional to 1,782,871.40, 2,676,056.70 and 885,326.60 is: 1,328,858.70
Step by Step Solution
- Step 1: Write the proportion equation
1,782,871.40 : 2,676,056.70 = 885,326.60 : x - Step 2: Convert to fraction form
1,782,871.40/2,676,056.70 = 885,326.60/x - Step 3: Cross multiply
1,782,871.40x = 2,676,056.70 × 885,326.60 - Step 4: Simplify right side
1,782,871.40x = 2,369,184,179,618.22 - Step 5: Solve for x
x = 2,369,184,179,618.22/1,782,871.40 - Step 6: Final answer
x = 1,328,858.70
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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.