Finding the Fourth Proportional to 4,522,483.60, 6,782,822.88 and 2,215,985.92
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Solution
The fourth proportional to 4,522,483.60, 6,782,822.88 and 2,215,985.92 is: 3,323,536.65
Step by Step Solution
- Step 1: Write the proportion equation
4,522,483.60 : 6,782,822.88 = 2,215,985.92 : x - Step 2: Convert to fraction form
4,522,483.60/6,782,822.88 = 2,215,985.92/x - Step 3: Cross multiply
4,522,483.60x = 6,782,822.88 × 2,215,985.92 - Step 4: Simplify right side
4,522,483.60x = 15,030,639,999,933.85 - Step 5: Solve for x
x = 15,030,639,999,933.85/4,522,483.60 - Step 6: Final answer
x = 3,323,536.65
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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.