Finding the Fourth Proportional to 7,246,124.46, 10,869,179.69 and 1,854,766.28
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Solution
The fourth proportional to 7,246,124.46, 10,869,179.69 and 1,854,766.28 is: 2,782,147.63
Step by Step Solution
- Step 1: Write the proportion equation
7,246,124.46 : 10,869,179.69 = 1,854,766.28 : x - Step 2: Convert to fraction form
7,246,124.46/10,869,179.69 = 1,854,766.28/x - Step 3: Cross multiply
7,246,124.46x = 10,869,179.69 × 1,854,766.28 - Step 4: Simplify right side
7,246,124.46x = 20,159,787,980,272.85 - Step 5: Solve for x
x = 20,159,787,980,272.85/7,246,124.46 - Step 6: Final answer
x = 2,782,147.63
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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.