Finding the Fourth Proportional to 5,328,051.60, 7,988,140.80 and 2,934,598.80
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Solution
The fourth proportional to 5,328,051.60, 7,988,140.80 and 2,934,598.80 is: 4,399,729.99
Step by Step Solution
- Step 1: Write the proportion equation
5,328,051.60 : 7,988,140.80 = 2,934,598.80 : x - Step 2: Convert to fraction form
5,328,051.60/7,988,140.80 = 2,934,598.80/x - Step 3: Cross multiply
5,328,051.60x = 7,988,140.80 × 2,934,598.80 - Step 4: Simplify right side
5,328,051.60x = 23,441,988,405,911.04 - Step 5: Solve for x
x = 23,441,988,405,911.04/5,328,051.60 - Step 6: Final answer
x = 4,399,729.99
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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.