Finding the Fourth Proportional to 2,090,770.99, 2,885,558.88 and 1,219,893.01
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Solution
The fourth proportional to 2,090,770.99, 2,885,558.88 and 1,219,893.01 is: 1,683,624.43
Step by Step Solution
- Step 1: Write the proportion equation
2,090,770.99 : 2,885,558.88 = 1,219,893.01 : x - Step 2: Convert to fraction form
2,090,770.99/2,885,558.88 = 1,219,893.01/x - Step 3: Cross multiply
2,090,770.99x = 2,885,558.88 × 1,219,893.01 - Step 4: Simplify right side
2,090,770.99x = 3,520,073,107,655.43 - Step 5: Solve for x
x = 3,520,073,107,655.43/2,090,770.99 - Step 6: Final answer
x = 1,683,624.43
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.