Finding the Fourth Proportional to 1,869,777.14, 2,581,493.12 and 1,173,013.05
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Solution
The fourth proportional to 1,869,777.14, 2,581,493.12 and 1,173,013.05 is: 1,619,511.26
Step by Step Solution
- Step 1: Write the proportion equation
1,869,777.14 : 2,581,493.12 = 1,173,013.05 : x - Step 2: Convert to fraction form
1,869,777.14/2,581,493.12 = 1,173,013.05/x - Step 3: Cross multiply
1,869,777.14x = 2,581,493.12 × 1,173,013.05 - Step 4: Simplify right side
1,869,777.14x = 3,028,125,126,459.55 - Step 5: Solve for x
x = 3,028,125,126,459.55/1,869,777.14 - Step 6: Final answer
x = 1,619,511.26
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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.