Finding the Fourth Proportional to 4,664,529.60, 6,999,904.80 and 2,138,884.80
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Solution
The fourth proportional to 4,664,529.60, 6,999,904.80 and 2,138,884.80 is: 3,209,753.45
Step by Step Solution
- Step 1: Write the proportion equation
4,664,529.60 : 6,999,904.80 = 2,138,884.80 : x - Step 2: Convert to fraction form
4,664,529.60/6,999,904.80 = 2,138,884.80/x - Step 3: Cross multiply
4,664,529.60x = 6,999,904.80 × 2,138,884.80 - Step 4: Simplify right side
4,664,529.60x = 14,971,989,978,167.04 - Step 5: Solve for x
x = 14,971,989,978,167.04/4,664,529.60 - Step 6: Final answer
x = 3,209,753.45
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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.