Finding the Fourth Proportional to 7,276,934.40, 10,906,216.20 and 3,683,693.40
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Solution
The fourth proportional to 7,276,934.40, 10,906,216.20 and 3,683,693.40 is: 5,520,890.31
Step by Step Solution
- Step 1: Write the proportion equation
7,276,934.40 : 10,906,216.20 = 3,683,693.40 : x - Step 2: Convert to fraction form
7,276,934.40/10,906,216.20 = 3,683,693.40/x - Step 3: Cross multiply
7,276,934.40x = 10,906,216.20 × 3,683,693.40 - Step 4: Simplify right side
7,276,934.40x = 40,175,156,634,913.08 - Step 5: Solve for x
x = 40,175,156,634,913.08/7,276,934.40 - Step 6: Final answer
x = 5,520,890.31
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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.