Finding the Fourth Proportional to 6,427,465.17, 9,636,124.92 and 3,186,768.42
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Solution
The fourth proportional to 6,427,465.17, 9,636,124.92 and 3,186,768.42 is: 4,777,637.49
Step by Step Solution
- Step 1: Write the proportion equation
6,427,465.17 : 9,636,124.92 = 3,186,768.42 : x - Step 2: Convert to fraction form
6,427,465.17/9,636,124.92 = 3,186,768.42/x - Step 3: Cross multiply
6,427,465.17x = 9,636,124.92 × 3,186,768.42 - Step 4: Simplify right side
6,427,465.17x = 30,708,098,586,231.03 - Step 5: Solve for x
x = 30,708,098,586,231.03/6,427,465.17 - Step 6: Final answer
x = 4,777,637.49
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1.5x scale
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.