Finding the Fourth Proportional to 2,560,985.20, 3,841,477.80 and 2,442,887.20
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Solution
The fourth proportional to 2,560,985.20, 3,841,477.80 and 2,442,887.20 is: 3,664,330.80
Step by Step Solution
- Step 1: Write the proportion equation
2,560,985.20 : 3,841,477.80 = 2,442,887.20 : x - Step 2: Convert to fraction form
2,560,985.20/3,841,477.80 = 2,442,887.20/x - Step 3: Cross multiply
2,560,985.20x = 3,841,477.80 × 2,442,887.20 - Step 4: Simplify right side
2,560,985.20x = 9,384,296,946,704.16 - Step 5: Solve for x
x = 9,384,296,946,704.16/2,560,985.20 - Step 6: Final answer
x = 3,664,330.80
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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.