Finding the Fourth Proportional to 7,079,276.40, 10,624,444.20 and 3,293,228.40
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Solution
The fourth proportional to 7,079,276.40, 10,624,444.20 and 3,293,228.40 is: 4,942,414.93
Step by Step Solution
- Step 1: Write the proportion equation
7,079,276.40 : 10,624,444.20 = 3,293,228.40 : x - Step 2: Convert to fraction form
7,079,276.40/10,624,444.20 = 3,293,228.40/x - Step 3: Cross multiply
7,079,276.40x = 10,624,444.20 × 3,293,228.40 - Step 4: Simplify right side
7,079,276.40x = 34,988,721,373,655.28 - Step 5: Solve for x
x = 34,988,721,373,655.28/7,079,276.40 - Step 6: Final answer
x = 4,942,414.93
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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.