Finding the Fourth Proportional to 4,159,580.40, 6,239,370.60 and 2,556,946.80
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Solution
The fourth proportional to 4,159,580.40, 6,239,370.60 and 2,556,946.80 is: 3,835,420.20
Step by Step Solution
- Step 1: Write the proportion equation
4,159,580.40 : 6,239,370.60 = 2,556,946.80 : x - Step 2: Convert to fraction form
4,159,580.40/6,239,370.60 = 2,556,946.80/x - Step 3: Cross multiply
4,159,580.40x = 6,239,370.60 × 2,556,946.80 - Step 4: Simplify right side
4,159,580.40x = 15,953,738,689,684.08 - Step 5: Solve for x
x = 15,953,738,689,684.08/4,159,580.40 - Step 6: Final answer
x = 3,835,420.20
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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.