Finding the Fourth Proportional to 1,939,057.64, 2,903,118.14 and 1,026,172.26
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Solution
The fourth proportional to 1,939,057.64, 2,903,118.14 and 1,026,172.26 is: 1,536,364.49
Step by Step Solution
- Step 1: Write the proportion equation
1,939,057.64 : 2,903,118.14 = 1,026,172.26 : x - Step 2: Convert to fraction form
1,939,057.64/2,903,118.14 = 1,026,172.26/x - Step 3: Cross multiply
1,939,057.64x = 2,903,118.14 × 1,026,172.26 - Step 4: Simplify right side
1,939,057.64x = 2,979,099,302,770.80 - Step 5: Solve for x
x = 2,979,099,302,770.80/1,939,057.64 - Step 6: Final answer
x = 1,536,364.49
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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.