Finding the Fourth Proportional to 6,518,915.40, 9,771,374.70 and 2,473,840.20
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Solution
The fourth proportional to 6,518,915.40, 9,771,374.70 and 2,473,840.20 is: 3,708,104.50
Step by Step Solution
- Step 1: Write the proportion equation
6,518,915.40 : 9,771,374.70 = 2,473,840.20 : x - Step 2: Convert to fraction form
6,518,915.40/9,771,374.70 = 2,473,840.20/x - Step 3: Cross multiply
6,518,915.40x = 9,771,374.70 × 2,473,840.20 - Step 4: Simplify right side
6,518,915.40x = 24,172,819,542,122.94 - Step 5: Solve for x
x = 24,172,819,542,122.94/6,518,915.40 - Step 6: Final answer
x = 3,708,104.50
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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.