Finding the Fourth Proportional to 6,427,465.55, 9,636,125.49 and 3,186,768.80
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Solution
The fourth proportional to 6,427,465.55, 9,636,125.49 and 3,186,768.80 is: 4,777,638.06
Step by Step Solution
- Step 1: Write the proportion equation
6,427,465.55 : 9,636,125.49 = 3,186,768.80 : x - Step 2: Convert to fraction form
6,427,465.55/9,636,125.49 = 3,186,768.80/x - Step 3: Cross multiply
6,427,465.55x = 9,636,125.49 × 3,186,768.80 - Step 4: Simplify right side
6,427,465.55x = 30,708,104,016,236.09 - Step 5: Solve for x
x = 30,708,104,016,236.09/6,427,465.55 - Step 6: Final answer
x = 4,777,638.06
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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.