Finding the Fourth Proportional to 1,818,866.14, 2,727,548.54 and 620,885.05
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Solution
The fourth proportional to 1,818,866.14, 2,727,548.54 and 620,885.05 is: 931,071.32
Step by Step Solution
- Step 1: Write the proportion equation
1,818,866.14 : 2,727,548.54 = 620,885.05 : x - Step 2: Convert to fraction form
1,818,866.14/2,727,548.54 = 620,885.05/x - Step 3: Cross multiply
1,818,866.14x = 2,727,548.54 × 620,885.05 - Step 4: Simplify right side
1,818,866.14x = 1,693,494,104,040.35 - Step 5: Solve for x
x = 1,693,494,104,040.35/1,818,866.14 - Step 6: Final answer
x = 931,071.32
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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.